Area and Circumference

Front

What number represents π?

Back

3.14

Tags

CCSS.HSG.GMD.A.1

Front

What is the radius of a circle with a diameter of 18?

Back

9

Tags

CCSS.7.G.B.4

Front

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

Back

Diameter

Front

Find the circumference of a circle with a radius of 9 cm.

Back

28.26 cm

Tags

CCSS.7.G.B.4

Front

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

Back

Radius

Front

What is the formula for the circumference of a circle?

Back

C = 2πr or C = πd

Tags

CCSS.7.G.B.4

Front

What is the diameter of a circle with a radius of 10 cm?

Back

20 cm

Tags

CCSS.7.G.B.4

Front

If the circumference of a circle is 31.4 cm, what is the radius?

Back

5 cm

Tags

CCSS.7.G.B.4

Front

What is the area of a circle with a radius of 7 cm?

Back

154 cm²

Tags

CCSS.7.G.B.4

Front

What is the formula for the area of a circle?

Back

A = πr²

Tags

CCSS.7.G.B.4