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WorksheetsGeometry Regents FULL Study Guide
Total questions: 81
Worksheet time: 7hrs 43mins
What is the minimum amount of time students must stay for the exam?
2 hours
1 hour
3 hours
30 minutes
When in doubt during constructions, what should you use?
Perpendicular bisector
Parallel lines
Angle bisector
Median
What should you use for volume questions?
Reference sheet
Calculator only
Guessing
Drawing a diagram
If you are given a coordinate plane and asked for area, what method should you use?
Box method
Triangle method
Circle method
Substitution method
Which theorem should you use if you have a right triangle and are given two sides?
Pythagorean theorem
Law of Sines
Law of Cosines
Midpoint theorem
What is the point-slope form of a line AKA just another way to write an equation of a line
y - y₁ = m(x - x₁)
y = mx + b
y = b + mx
x - y = m(x + y)
What is the formula for the area of a circle?
A=πr²
A=2πr
A=πd
A=r²π/2
What is the formula for the median of a trapezoid?
(Base 1 + Base 2) / 2
(Base 1 - Base 2) / 2
(Base 1 × Base 2) / 2
(Base 1 + Base 2) × 2
What is the formula for the midpoint between two points? Remember the CHANT!! "Midpoint, midpoint what do you do??..."
((x₁ + x₂)/2, (y₁ + y₂)/2)
(x₁ + x₂, y₁ + y₂)
(x₁ - x₂, y₁ - y₂)
((x₁ - x₂)/2, (y₁ - y₂)/2)
What is the formula for arc length?
Arc Length= 2πr × θ/360
Arc Length=πr²× θ/360
Arc Length=2πr
Arc Length=πd
What is the formula for the area of a sector?
Area of a sector= πr² × θ/360
Area of a sector= 2πr × θ/360
Area of a sector= πr²
Area of a sector= πd
What is the equation of a circle?
(x - h)² + (y - k)² = r²
y = mx + b
x² + y² = r²
(x + h)² + (y + k)² = r²
What does the bottom - top/ # of parts formula refer to?
Directed line segment
Area of a triangle
Slope
Arc length
What should you do if you see two triangles in a proof?
Try to prove them congruent or similar
Ignore them
Find their area
Draw a circle
What is the formula for the area of a triangle?
A=½bh
A=bh
A=b + h
A=2bh
Which trigonometric ratio should you use?
Tangent Ratio
Sine Ratio
Cosine Ratio
Any ratio
What does the H stand for in the acronym
SOH-CAH-TOA
help
hypotenuse
opposite
adjacent
What is the slope formula?
m = x2 − x1y2− y1
(x1, y1) (x2, y2)
m = y2 − y1x2− x1
Which of the following is a correct statement and reason for the proof shown?
DC≅DC ; Reflexive Property
∠A≅∠B ; Base Angles of Isosceles Triangle are Congruent
∠1≅∠2 ; Reflexive Property
AD≅DB ; Definition of Bisect
Classify the following triangle by side lengths
Isosceles triangle
Equilateral triangle
Scalene triangle
Classify the following triangle by side lengths
Isosceles triangle
Equilateral triangle
Scalene Triangle
Classify the triangle by its sides.
Scalene
Isosceles
Equilateral
Classify this triangle by its angles
Acute
Obtuse
Equilangular
Right
A segment joining a vertex to the opposite side so that is perpendiuclar to that side.
perpendicular bisector
angle bisector
median
altitude
2 and -1/2
m = 7 and m = -7
m = 5/8
y = 3/2x + 9
These lines are...
What is the formula for the area of a triangle?
A = 1/2 bh
A = bh
A = s + s + s
A = 2bh
Find the area of this square
12 feet2
66 feet
13 feet
36 square feet
True or False: Rigid motions preserve angle measure and distance (side lengths)
True
False
Which of the following is NOT a rigid motion?
Rotation
Reflection
Translation
Dilation
Similar figures have congruent corresponding ______ and proportional corresponding ______ .
angles; shapes
angles; side lengths
shape; side lengths
If the triangles are similar, what strategy could you use to solve for the question mark?
REDRAW YOUR TRIANGLES
don't redraw and make Miss P sad
In the accompanying diagram, triangle ABC is a right triangle and CD is the altitude to hypotenuse AB. If AD=4 and DB=16 find the length of CD.
What strategy would help you solve this??
proportion
make small, medium, large triangle CHART
triangle sum theorem
compass
Which is not a similar triangle theorem?
ASA∼
SAS∼
SSS∼
AA∼
sin(60) = cos( )
Sin( ) = Cos(80)
Sin(70) = Cos ( )
Select the correct equation to solve for x.
3x + 6 = 2x + 5
5x = 11
6x = 30
2x(3x) = 6(5)
What rule do you need to solve for x
part (part)=part(part)
O (W) = O (W)
Solve for x.
130°
260°
65°
230°
What is the relationship between a central angle and its arc?
The angle is half of the arc.
The arc is half of the angle.
The arc is smaller than the angle.
They are congruent.
Find the measure of the indicated angle.
60°
120°
30°
90°
Find the value of x.
45
10
20
90
Given: (x - 4)2 + (x - 3)2 = 121.
What is the radius of this circle?
4
3
11
121
The distance around a circle
is called the...
Diameter
Radius
Circumference
Area
Given: (x + 7)² + (y - 2)² = 144
What is the radius of this circle?
7
12
13
144
Given: (x + 2)² + (y - 4)² = 41
What is the center of this circle?
(2, 4)
(-2, 4)
(2, - 4)
(-2, - 4)
Given: (x - 12)2 + (y - 8)2 = 25
What is the center and
the radius of this circle?
Center: (12, 8)
Radius = 5 units
Center: (-12 ,8)
Radius = 25 units
Center: (-12,-8)
Radius = 5 units
Center: (12, 8)
Radius = 25 units
Find the area of the triangle. Round your answer to the nearest tenth.(1 decimal place)
24.9 cm2
25 cm2
49.8 cm2
49.9 cm2
Find the area of the triangle. Round your answer to the nearest tenth.(1 decimal place)
16.8 cm2
15.7 cm2
11.5 cm2
11.4 cm2
What is the formula for the area of a triangle when you are given a reference angle?
A= 1/2absinc
A= bh
A=2bh
A=lwh
