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