Formulas
1/3x3.14r2h
What is the formula for a cone?
An operation that maps an originals geometric figure onto a new figure.
What is a transformation?
(x,y)->(y,-x)
What is a 90 degree clockwise rotation about the origin
Reflect the following across the y-axis:
R(2,1)
S(-1,3)
T(-2,0)
What is
R(2,-1)
S(-1,-3)
T(-2,0)
Find the volume using the formula of a cylinder:
r: 7cm
h: 20
What is 3078.8 cm3
3.14r2 h
What is the formula of a cylinder?
The original geometric figure.
What is the preimage?
180 degree clockwise rotation about the origin
180 degree rotation of the following:
A(-6,-2)
B(-5,1)
C(-2,-3)
What is
A'(6,2)
B'(5,-1)
C'(2,3)
Find the volume using the formula of a cone, leave in terms of pi:
Diameter: 10
height: 9
What is 75pi mm3
4/3x3.14r3
What is the formula for a Sphere?
A transformation that slides a figure from one position to the other without turning it.
What is a translation
(x,y)->(2x,2y)
What is an enlargement
Name that scale factor
A(-2,4)->A'(-1,2)
B(4,-2)->B'(2,-1)
C(-4,-4)->C'(-2,-2)
What is a scale factor of 1/2
Find the volume of the sphere. Express your answer in terms of pi:
R: 23ft
What is 16222pi ft3
2/3x3.14 r3
What is the formula for a Hemisphere?
A mirror image of the original figure
What is a reflection?
(x,y)->(-y,x)
270 degree clockwise rotation about the origin
Name the scale factor:
R(-2,1)->R'(-4,2)
S(-4,5)->S'(-8,10)
T(3,2)->T'(6,4)
What is a scale factor of 2
Find the following missing dimensions:
Volume: 72pi
Radius: 6 ft
What is the height?
lbh
What is the formula of a cuboid?
A transformation in which a figure is rotated, or turned about a fixed point
What is rotation
(x,y)->(1/2x,1/2y)
What is a reduction
P(1,5), Q(3,7),R(4,-1)
What is: P'(-1,5), Q'(-3,7), R'(-4,-1)
Find the missing dimension of the sphere:
Volume: 26,244pi
What is the radius
What is 27 in.