What is surface area?
The amount of area covered by the surface of something.
The formula for the surface area of a cylinder.
What is 2(pi)r(squared)+2(pi)rh?
When dealing with pi is the answer "equals" or "is approximately"?
Is Approximately
The surface area of a cylinder with r = 1 cm and h = 4 cm.
31.4 cm2
Find the surface area of the triangular prism Sides of triangle are a = 3 m, b= 4 m, c =3 m. Height is 6 m. The length is 15 m.
What is 174 sq m?
A can of corn measures 3" in diameter and 4" in height. This would be the area of the label.
Approximately 75.4 in2
The surface area of a cylinder with d = 4 m and h = 5 m.
87.9 m2
Find the surface area of a triangular prism Sides of triangle are a = 6 m, b = 8 m, c = 6 m. Height is 3 m. Length is 10 m.
What is 224 sq m?
A tent is shaped like a square pyramid with dimensions 10 ft x 10 ft x 10 ft in height. This is the amount of fabric used.
300 ft2
The surface area of a cylinder with r = 3 in and h = 2.5 in.
103.6 in2
The surface area of a a sphere with a radius of 12 cm is..
approximately 1808.6 cm2
You are painting the walls in your room. Your room measures 10' x 12' x 8' high. This would be the area of the walls.
352 ft2
How many faces does a rectangular prism have and what shape are the faces?
6 rectangles
What is the surface area formula for a sphere?
SA = 4(pi)r2
What is a real world example of a cylinder?
Soda can, soup can, etc.
Find the surface area of a cone with a radius of 19 m and a slant height of 25 m.
Approximately 2625.04