Grade 8 Term 2 Revision

Multiple Choice

$$\angle1$$  and $$\angle2$$  are ___.  

• Alternate Interior Angles

• Alternate Exterior Angles

• Same-side Interior Angles

• Corresponding Angles

• None of these

Multiple Choice

Vertical angles are always

• acute
• total 180 degrees
• congruent (equal measures)
• adjacent angles

Multiple Choice

Which angle is a vertical angle to with $$\angle7$$  ?

• $$\angle1$$  

• $$\angle5$$  

• $$\angle3$$  

• $$\angle6$$  

• $$\angle9$$  

Multiple Choice

2) Given the following two parallel lines cut by a transversal.

Which pair of angles represents corresponding angles?

• $$\angle1$$  and  $$\angle6$$  

• $$\angle6$$  and $$\angle5$$  

• $$\angle7$$  and $$\angle8$$  

• $$\angle4$$  and $$\angle8$$  

Multiple Choice

3) Given the following two parallel lines cut by a transversal.

Which pair of angles represents alternate interior angles?

• $$\angle3$$  and $$\angle8$$  

• $$\angle7$$  and $$\angle2$$  

• $$\angle7$$  and $$\angle8$$  

• $$\angle4$$  and $$\angle8$$  

Fill in the Blanks

Fill in the Blanks

Multiple Choice

Find the measure of the missing angle.

• 145
• 55
• 35
• 45

Multiple Choice

Find the measure of the missing angle.

• 140°
• 21°
• 105°
• 25°

Multiple Choice

A triangle's angles add up to...

• 90 Degrees
• 180 Degrees
• 360 Degrees
• OVER 9000 Degrees

Multiple Choice

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Multiple Choice

If 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80
• 100
• 60
• 90

Multiple Choice

Find the measure of the missing angles.

• A

• B

• C

• D

Multiple Choice

Which of the following terms best describes Angles a and b?

• Remote interior angles

• Corresponding angles

• Exterior angles

• Interior angles

Multiple Choice

What is the SUM of the angle measures in a triangle (3 sides)?

• 60°
• 90°
• 120°
• 180°

Multiple Choice

Find the value of X.

• 100
• 120
• 125
• 130

Multiple Choice

Which formula represents how to find the interior angle sum of any polygon?

• (number of sides - 2) x 180

• (number of sides + 2) x 180

• number of sides x 180

• number of sides x 360

Multiple Choice

Find the value of x.

• 110

• 90

• 130

• 120

Multiple Choice

What is the sum of the interior angles of the hexagon shown?

• 180° 
• 540° 
• 720° 
• 1080° 

Multiple Select

What is a regular polygon?

• all side lengths are the same length

• all angles are the same (equal in measure)

• only some side lengths are the same

• all side lengths are different

• only some angles are the same

Multiple Choice

Find the measure of EACH EXTERIOR angle of a 18-gon.

• 160°

• 360°

• 20°

• 2280°

Multiple Choice

What is the measure of EACH EXTERIOR angle of a 20-gon?

• 14°

• 15°

• 17°

• 18°

Multiple Choice

Find the value of y.

• 125
• 135
• 140
• 110

Multiple Choice

Solve for x.

• 220

• 110

• 250

• 125

Multiple Choice

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse
• scalene
• isosceles
• right

Multiple Choice

The Pythagorean Theorem is
c² = a² - b²  

• false
• true

Multiple Choice

In a right triangle __________is ALWAYS the longest side.

• a leg

• a hypotenuse

Multiple Choice

what is the formula for finding the hypotnuse?

• a² + b²=c²

• a+b=c

• a²-b²=c²

• c²-a²=b

Multiple Choice

Would a triangle with these side lengths be a right triangle?
4, 5, 6

• Yes
• No

Multiple Choice

Casey travels from her house directly west to the bank and then directly north from the bank to the mall. She then travels home on the road connecting the mall and her house. What is her total distance traveled? (Calculators are allowed)

• 17 miles

• 32 miles

• 37 miles

• 40 miles

Multiple Choice

_{^{Find the missing side}}

• 48
• 108
• 83.6
• 72

Multiple Choice

Would a triangle with these side lengths be a right triangle?
4, 5, 6

• Yes
• No

Multiple Choice

What is the distance between points (3, -5) and (3, -8)?

• 1 unit
• 2 units
• 3 units
• 4 units

Multiple Choice

What is the distance between points (-7, 8) and (2, 8)?

• 4 units
• 5 units
• 3 units
• 9 units

Multiple Choice

Find the distance between the following ordered pairs: (0, 6) and (0, -4)

• 6 units

• 4 units

• 10 units

• 11 units

Multiple Choice

Which of the following means translation?

• flip

• turn

• slide

• expand

Multiple Choice

What best describes how the yellow triangle is translated to end up where the red triangle is?

• to the right 6 , up 10

• to the right 10, up 6

• to the right 7, up 11

• to the right 6, up 9

Multiple Choice

Which pair of shapes shows a translation?

Multiple Choice

Point A located at (8 , 5) is translated -7 units in the x-direction and -5 in the y-direction. What are the new coordinates?

• (1 , 1)

• (1 , 0)

• (2 , 0)

• (3 , -2)

Multiple Choice

Identify the transformation from ABC to A'B'C'.

• (x+8, y+4)
• (x-8, y-4)
• (x+4, y+8)
• (x-4, y-8)

Multiple Choice

What type of reflection does this picture show?

• reflection over the y-axis

• reflection over the x and y axis

• reflection over the x-axis

Multiple Choice

What type of reflection does this picture show?

• reflection over the x-axis

• reflection over the x and y axis

• reflection over the y-axis

Multiple Choice

What is the reflection of F (3, 4) over the x-axis?

• F' (-3, -4)

• F' (3, -4)

• F' (-3, 4)

• F' (4, 3)

Multiple Choice

What is the reflection of R (-1, 6) over the y-axis?

• R'(1, 6)

• R'(6, 1)

• R' (-1, 6)

• R' (-6, 1)

Multiple Choice

What are the coordinates of this point?

• (3, -2.5)

• (-3, -3.5)

• (-3, 2.5)

• (-3, -2.5)

Multiple Choice

If you reflect this point (-3, 1) across the x-axis and the y-axis, where would it be?

• (-3, -1)

• (3, -1)

• (3, 1)

• (1, -3)

Multiple Choice

What transformation is happening?
(x, y) ----> (x + 2, y - 3) 

• slide up 2, left 3
• slide right 2, up 3
• slide right 2, down 3
• slide left 3, right 2

Multiple Choice

Rotate the point (7,8) around the origin 90 degrees counterclockwise. State the image of the point.

• (-7,-8)

• (8,-7)

• (-8,7)

• (8,7)

Multiple Choice

What is true for a pre-image and image when a reflection is preformed?

• The image is larger
• The pre-image is larger
• The image has different angle values
• The pre-image and image are the same size

Multiple Choice

Reflecting over the y-axis changes the sign of the ____-_____________. 

• x-axis
• x-coordinate
• y-coordinate
• none of the above

Multiple Choice

∆QRS contains the points: Q(4, 2) R(5, 1) S(3,7). If the triangle is reflected across the y-axis, what will S' be?

• S'(3, 7)
• S'(-3, 7)
• S'(-3, -7)
• S'(3, 7)

Multiple Choice

A transformation that changes the size of a figure, but not the shape. (Hint: Not rigid motion)

• translation
• rotation
• reflection
• dilation

Multiple Choice

How is triangle A rotated to be triangle Y?

• 180 clockwise
• 90 clockwise
• 90 counter-clockwise

Multiple Choice

Rotate the point (-5,8) around the origin 270 degrees. State the image of the point.

• (-8,5)
• (8,-5)
• (8,5)
• (5,-8)

Multiple Choice

Rotate the point (7,8) around the origin 90 degrees. State the image of the point.

• (-7,-8)
• (8,-7)
• (-8,7)
• (8,7)

Multiple Choice

When a coordinate goes to (-x, -y) it is a 

• 180 degree rotation
• a 90 degree clockwise rotation
• a 90 degree counterclockwise rotation
• A 360 degree rotation

Multiple Choice

A dilation is which of the following: 

• only an enlargement
• only a reduction
• Either an enlargement or a reduction
• Neither an enlargement or a reduction

Multiple Choice

A dilation produces a congruent figure

• True

• False

Multiple Choice

When a dilation has a scale factor greater than one, the dilation is an enlargement.

• True
• False

Multiple Choice

When the scale factor of a dilation is less than one, the dilation is a reduction.

• True
• False

Multiple Choice

How do you write the algebraic notation when the scale factor is 1/2?

• (x, y) goes to (2x, 2y)
• (x, y) goes to (1/2x, 1/2y)
• (x, y) goes to (-2x, -2y)
• (x, y) goes to (2x, 1/2y)

Multiple Choice

Similar figures have the same ______ but different ______. 

• measure; shapes
• sizes; shapes
• value; measures
• shape; sizes

Multiple Choice

What is the scale factor?

• 3

• 1/3

• 4

• 1/4

Multiple Choice

What is the scale factor?

• 2

• 1/2

• 3

• 1/2

Multiple Choice

What is the measurement of x?

• 21
• 1.25
• 20
• 4

Multiple Choice

A flagpole uses a scale of 1 inch = 4 feet.

If the pole measures 12 inches, how tall is the actual pole?

• 16 feet

• 3 feet

• 48 feet

• 9 feet

Multiple Choice

Find the height of the tree.

• 8 ft
• 12 ft
• 13 ft
• 15 ft

Multiple Choice

Solve for X.

• 2 ft
• 3 ft
• 4 ft
• 6 ft

Multiple Choice

Identify the slope (CA) of triangle ABC.

• 1/3

• 3

• -3

• -1/3

Multiple Choice

The slope of line AC is equal to $$\frac{AB}{BC}$$  . What is the measure of the slope?

• 2/3

• 3/4

• 3/2

• 1/3

Multiple Choice

What scale factor was used to produce the image?

• 2
• -2
• ¹/₂
• 1

Multiple Choice

Find the perimeter of Figure A?

• Perimeter = distance around the figure

  P=2+1+2+1 = 6 units

• Perimeter = distance around the figure

  P=2+1= 3 units

Multiple Choice

Find the perimeter of the large triangle.

• 24
• 36
• 12
• 54