Area and Circumference of a Circle

Front

Is this line the radius or diameter?

Back

Diameter

Front

Is this line the radius or diameter?

Back

Radius

Front

What is the radius of a circle when the diameter is 76 m?

Back

38 m

Front

If a radius of a circle is 24 m, what is the diameter?

Back

48 m

Front

Find the area of the circle. Use 3.14 for \( \pi \).

Back

254.34 \( in^2 \)

Front

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

Back

Front

What is the formula for the area of a circle?

Back

A = πr²

Front

A circular swimming pool is 21 feet in diameter. How many feet around is the pool?

Back

65.94 ft

Front

What is the distance around a circle?

Back

Circumference

Front

What is the circumference of a circle with a radius of 5 in terms of π ?

Back

10π square units