Final Exam Review Part 5

Find the circumference of a circle with a radius of 3 centimeters. Use 3.14 for ℼ.

Equation: C = 2 x ℼ x r

• 18.84

• 188.4

Find the circumference of a circle with a radius of 5 centimeters. Use 3.14 for ℼ.

Equation: C = 2 x ℼ x r

• 31.40

• 314.0

Find the circumference of a circle with a radius of 8 centimeters. Use 3.14 for ℼ.

Equation: C = 2 x ℼ x r

• 5024

• 50.24

Find the area of the circle using the radius. Use 3.14 for ℼ.

A = ℼ x  r ²

• 6.28

• 12.56

Find the area of the circle using the radius. Use 3.14 for ℼ.

A = ℼ x  r ²

• 50.24

• 12.56

Find the area of the circle using the radius. Use 3.14 for ℼ.

A = ℼ x  r ²

• 9.42

• 28.26

Find the area of the rectangle. 

A  =  L  x   W

• 10

• 21

Find the area of the rectangle. 

A  =  L  x   W

• 12

• 20

Find the area of the rectangle. 

A  =  L  x   W

• 32

• 12

Find the area of the triangle.

A =  0.5  x   b  x   h

• 10

• 20