Classify Quadrilaterals and Triangles

Polygons, Triangles, and Quadrilaterals

Quadrilaterals

• I can use the quadrilateral hierarchy picture to determine how quadrilaterals are related.

• Remember, if you can follow the arrow UP, then your shape IS ALWAYS that shape.

• If you can follow the arrows DOWN, then your shape is SOMETIMES that shape

Multiple Choice

How are a rhombus and a square alike?

• Both have exactly one pair of parallel sides.
• Both have equal angles.
• Both have equal sides.
• Neither have any sets of parallel sides.

Multiple Choice

Which statement is true about a square?

• a quadrilateral with 4 equal sides

• a quadrilateral with 2 sets of parallel lines

• a quadrilateral with 4 right angles

• all statements are true

Multiple Choice

All quadrilaterals are parallelograms.

• True
• False

Multiple Choice

A quadrilateral with 4 congruent sides could be.

• a rectangle or a trapezoid
• a square or a rhombus
• a parallelogram or a trapezoid
• a rectangle or a rhombus

Multiple Choice

Look at the hierarchy. Which figure can be placed below the rectangle in this hierarchy?

• rhombus

• trapezoid

• square

• triangle

Multiple Select

Using this hierarchy of two dimensional figures, determine which of the following labels can be given to the shape below. Select three that apply.

• paralellogram

• polygon

• quadrilateral

• rectangle

Multiple Choice

Which statement is true?

• A quadrilateral is always a parallelogram.

• A square is always a parallelogram

• A parallelogram is never a rhombus.

• A trapezoid never has two congruent sides.

Multiple Select

Select ALL the properties that both rectangles and parallelograms share.

• 4 sides

• 4 right angles

• 2 pairs of parallel sides

• 2 pairs of sides with equal length

• 2 acute angles and 2 obtuse angles

Multiple Choice

A rectangle must be a __________ and a __________.

• parallelogram, rhombus

• square, quadrilateral

• trapezoid, square

• quadrilateral, parallelogram

Multiple Choice

Which statement BEST describes why the shape below is a rhombus?

• It is a square with no right angles.

• It is a parallelogram with equal sides.

• It is a polygon with equal sides and equal angles.

• It is a quadrilateral with one pair of acute angles and one pair of obtuse angles.

Triangles

• I can classify a triangle by its sides and angles

• I can find the missing angle in a triangle

• 
  

Multiple Choice

Which would be the best classification for the triangle shown?

• right isosceles
• obtuse scalene
• obtuse isosceles
• acute scalene

Multiple Choice

Which would be the best classification for the triangle shown?

• acute isosceles
• right scalene
• acute scalene
• obtuse scalene

Multiple Choice

Which would be the best classification for the triangle shown?

• right isosceles
• obtuse scalene
• obtuse isosceles
• right scalene

Multiple Choice

Find the measure of each angle indicated. 

• 50°
• 35°
• 100°
• 55°

Multiple Choice

Find the measure of each angle indicated. 

• 139°
• 66°
• 138°
• 116°

Multiple Choice

Find the measure of each angle indicated. 

• 140°
• 21°
• 105°
• 25°

Multiple Choice

What is the value of the missing angle?

• 61
• 50
• 60
• 69

Multiple Choice

What is the value of x?

• 60
• 5
• 10
• -3

Multiple Choice

What is the value of x?

• 10
• 5
• -12
• 9

Polygons

• I can find the total number of degrees in a polygon

• I can finding missing angle in a polygon

Multiple Choice

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

• 60°
• 90°
• 120°
• 180°

Multiple Choice

What is the SUM of the angle measures in a hexagon (6 sides)?

• 720°
• 1080°
• 600°
• 540°

Multiple Choice

What is the sum of the interior angles for a 24-gon

• 3960

• 360

• 15

• 4280

Multiple Choice

What is the SUM of the angle measures in a nonagon (9 sides)?

• 1440°
• 900°
• 1080°
• 1260°

Multiple Choice

Find angle x

• 247^o

• 67^o

• 157^o

• 203^o

Multiple Choice

Find the value of X.

• 100° 
• 110° 
• 150° 
• 168° 

Multiple Choice

Find the value of X.

• 100
• 120
• 125
• 130