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