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