6 Constructing Circles and Finding Areas and Circumference

Front

Does this picture show the diameter or radius of a circle?

Back

Diameter

Front

Does this picture show the diameter or radius of a circle?

Back

Radius

Front

The circumference of the circle = 3.14 x ______

Back

diameter

Front

Complete the formula. Take 3.14. the circumference of the circle =

Back

3.14 x 2 x r

Front

What is the formula for the circumference of the semicircle?

Back

(.5 x 3.14 x 2 x d) + (2 x d)

Front

Formula for the circumference of the quadrant using 22/7.

Back

(1/4 x 22/7 x 2 x r) + (2 x r)

Front

Find the circumference of this circle? Take 3.14.

Back

15.7 m

Front

Find the circumference of this circle?

Back

25.12 m

Front

Find the circumference of this semicircle?

Back

7.71 m

Front

Find the circumference of the quadrant. Take 3.14.

Back

21.42 m