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Duplicate of Geometry Formulas Flashcards | StudBud

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Duplicate of Geometry Formulas

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Geometry Formulas

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Questions 13

Answers

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