Area and Circumference of Circles

Front

What is the formula for area of a circle?

Back

A = pi x r2

Front

What is the radius of this circle? Options: 12, 6, 24

Back

6

Front

Area of the circle?

Back

113.1

Front

What is the area of this circle? Options: 1385.44, 2142.12, 5541.77, 1289.12

Back

1385.44

Front

What is the radius of this circle? Options: 20, 10, 40

Back

10

Front

What is the area of this circle?

Back

314.16

Front

Area of the circle?

Back

1520.53

Front

What is the radius of this circle? Options: 140, 35, 70

Back

35

Front

What is the area of this circle?

Back

3848.45

Front

Area of a circle with radius 3?

Back

28.27