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Geometry Formulas Flashcards | StudBud
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Geometry Formulas
Geometry Formulas
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Geometry Formulas
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
What are complimentary angles?
Congruent angles
Angles that form a line
Angles that add up to 180o
Angles that add up to 90o
2
What formula is used to find the area of a trapezoid?
A = bh
A = 1/2h(b1+b2)
A = 1/2bh
A = πr2
3
What is the transformation rule (x,y) → (-y, -x) used for?
Reflection across y = - x
Reflection across the x-axis
270° Rotation
180° Rotation
4
What is V = 4/3⫪r
3
used for?
Volume of a pyramid
Volume of a sphere
Volume of a cone
Volume of a cylinder
5
What do you use the inverse trig functions for? (sin
-1
, cos
-1
, tan
-1
)
Finding angle measures in right triangles
Finding side lengths in right triangles
6
What is the formula 2πr
2
+ h(2πr) used for?
Surface Area of a Cone
Volume of a Cone
Volume of a Cylinder
Surface Area of a Cylinder
7
What formula would you use to find the volume of this figure?
1/2bh
4/3⫪r2
1/3Bh
Bh
8
What formula is used to find the surface area of a sphere?
4/3πr3
πrs + πr2
2πr2 + h(2πr)
4πr2
9
What do the h and k stand for in the equation of a circle?
The center of the circle
The endpoint of the diameter
The radius of the circle
A point on the circle
10
What is line AB called?
Diameter
Secant
Tangent
Chord
11
What is the transformation rule (x,y) → (x, -y) used for?
Translation
90° Rotation
Reflection across y = x
Reflection across the x-axis
12
Which formula is used for area of a parallelogram?
A = 1/2 bh
A = 1/2 h (b1 + b2)
A = πr2
A = bh
13
What formula would you use to find arc length?
πr2
radians ⋅ r
arc/360 ⋅ 2πr
arc/360 ⋅ πr2
14
What is the Pythagorean Theorem used for?
Finding angle measures in triangles
Finding side lengths in quadrilaterals
Finding side lengths in right triangles
Finding side lengths in all triangles
15
Which side is the hypotenuse?
A
X
C
B
16
What formula is this?
Area of a circle
Volume of a sphere
Circumference
Surface area of a sphere
17
What does the B stand for in the volume formulas?
Base
Length of the Base
Area of the Base
Height of the Base
18
Which rule is for a 180
o
rotation?
(x,y) → (-y, x)
(x,y) → (-x, y)
(x,y) → (y, x)
(x,y) → (-x, -y)
19
Which side is adjacent to angle X?
X
C
A
B
20
What formula would you use to find the volume of this figure?
1/2h(b1+b2)
1/3Bh
Bh
4/3⫪r3
