Surface Area of a Sphere

Definition: a line segment connecting any two points on a sphere and passing through the center.

• Diameter of a Sphere

• Radius of a Sphere

• Sphere

• Surface Area

Definition: a line segment connecting the center of a sphere and any point on the sphere.

• Diameter of a Sphere

• Radius of a Sphere

• Sphere

• Surface Area

What is the formula for surface area of a sphere?

• SA=B+LA

• SA=(4/3)πr³

• SA=4πr²

• SA=Bh

A diameter is equal to how many radiuses?

• 1

• 2

• 4

• 7

Are all the points on the surface of a sphere the same distance from the center of a sphere?

• Yes

• No

What is the surface area of the sphere with a radius 5cm. Leave in terms of π.

SA=4πr²

• 40π cm²

• 100π cm²

• 400π cm²

• 625π cm²

What is the surface area of the sphere with a radius 22in. Leave in terms of π.

SA=4πr²

• 88π in²

• 176π in²

• 1,374π in²

• 1,936π in²

What is the surface area of the sphere with a radius 2 units. Leave in terms of π.

SA=4πr²

• 16π units²

• 8π units²

• 24 units²

• 12 units²

What is the surface area of the sphere with a radius 11 in. Leave in terms of π.

SA=4πr²

• 44π in²

• 88π in²

• 576π in²

• 484π in²

What is the surface area of the sphere with a radius 18 cm. Leave in terms of π.

SA=4πr²

• 144π cm²

• 1,296π cm²

• 896π cm²

• 1,024π cm²