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Duplicate of Geometry Formulas Flashcards | StudBud
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Duplicate of Geometry Formulas
Duplicate of Geometry Formulas
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Geometry Formulas
Flashcards
22 cards
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Questions
22
Answers
1
What is the transformation rule (x,y) → (x, -y) used for?
90° Rotation
Reflection across y = x
Reflection across the x-axis
Translation
2
What is line AB called?
Tangent
Diameter
Secant
Chord
3
What formula would you use to find arc length?
πr2
radians ⋅ r
arc/360 ⋅ 2πr
arc/360 ⋅ πr2
4
What formula is used to find the surface area of a sphere?
4πr2
2πr2 + h(2πr)
4/3πr3
πrs + πr2
5
What are complimentary angles?
Angles that add up to 90o
Angles that form a line
Angles that add up to 180o
Congruent angles
6
What is the Pythagorean Theorem used for?
Finding angle measures in triangles
Finding side lengths in quadrilaterals
Finding side lengths in all triangles
Finding side lengths in right triangles
7
What is the transformation rule (x,y) → (-y, -x) used for?
Reflection across the x-axis
270° Rotation
Reflection across y = - x
180° Rotation
8
Which rule is for a 180
o
rotation?
(x,y) → (y, x)
(x,y) → (-x, y)
(x,y) → (-x, -y)
(x,y) → (-y, x)
9
What formula is used to find the area of a trapezoid?
A = bh
A = 1/2h(b1+b2)
A = 1/2bh
A = πr2
10
What formula would you use to find the volume of this figure?
1/3Bh
1/2h(b1+b2)
Bh
4/3⫪r3
11
linear pair rule is
100+80=180
180
<1+<2=180
5+6
12
What does the B stand for in the volume formulas?
Length of the Base
Area of the Base
Height of the Base
Base
13
What formula would you use to find the volume of this figure?
1/2bh
Bh
1/3Bh
4/3⫪r2
14
Which side is the hypotenuse?
B
A
X
C
15
what is the 180 rule?
3+8+9=180
<1+<2+<3=180
6+4+8
5+6+3=180
16
Which side is adjacent to angle X?
C
A
B
X
17
What is V = 4/3⫪r
3
used for?
Volume of a cone
Volume of a pyramid
Volume of a sphere
Volume of a cylinder
18
Which formula is used for area of a parallelogram?
A = 1/2 bh
A = bh
A = 1/2 h (b1 + b2)
A = πr2
19
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
20
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
21
What formula is this?
Circumference
Volume of a sphere
Area of a circle
Surface area of a sphere
22
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
