Circumference and area of circles

Front

12 inches in this circle represents its

Back

radius

Front

What is the length of the diameter of the circle?

Back

6, 6 cm, 6cm

Front

Find the circumference of the circle whose radius is 4 in

Back

25.12 in

Front

Find the circumference of the circle whose diameter is 10 m

Back

31.4 m

Front

A line that goes from one end of the circle to the other and crosses the center point.

Back

diameter

Front

What is the formula for Circumference?

Back

C = 2×π×r

Front

What is the circumference of this circle? Options: 3.14 cm, 37.68 cm, 24 cm, 68.4 cm

Back

37.68 cm

Front

A Circle has a diameter of 10 centimeters. What is the circumference of the circle? Options: 5π or about 15.7 cm, 10π or about 31.4 cm, 20π or about 62.8 cm, 100π or about 314 cm

Back

10π or about 31.4 cm

Front

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

Back

1385.44

Front

Back

113.04