Circles, Surface Area, & Volume

Find the equation to solve for the surface area of the cylinder.

• SA = πrl + B

• SA = 2πrh + 2B

• SA = 4πr2

• SA = 6a2

what is the formula for finding area of a circle

• C = π r²

• A = π r²

• A = π r² / 2

• C = 2 π r

Which measurement best represents surface area?

• The amount of soda that fits into a can

• The amount of wrapping paper that is needed to wrap a present

Maria wants to fill the rectangular prism with chocolate, find the equation to solve for the volume of the rectangular prism.

• V = 4/3πr3

• V = 1/3Bh

• V = Bh

Find the area of the circle

• 43.96

• 153.86

• 87.82

• 307.72

Find the area of the circle

• 56.52 sq. inches

• 254.34 sq. inches

• 1017.36 sq. inches

• 113.04 sq. inches

What is the area of this circle?

• 62.59 cm²

• 113.1 cm²

• 19.81 cm²

• 28.26 cm²

Find the area of the circle. Round your answer to the nearest whole number.

• 153

• 154

• 22

• 21

What is the radius of this circle?

• 18

• 10

• 9

• 8

The volume of a sphere  of radius 'r'  is

• 4π r³  cu.unit

• 2π r³  cu.unit

• 2/3π r³  cu.unit

•  4/3π r³cu.unit