3/7 Practice: Area and Circumference of Circles

Front

The radius is...
Options: a line that crosses through the center and touches each edge, the center point of a circle, a line from the center point to the edge of the circle, an element in science

Back

a line from the center point to the edge of the circle

Front

Which segment is not a radius? Options: CA, CB, CD, LM

Back

LM

Front

What is the radius?

Back

18

Front

What is the diameter?

Back

16

Front

Find the area of the circle.

Back

28.26 cm

Front

Find the area of the circle with radius 48 mm. Use 3.14 for π.

Back

7,234.56 mm²

Front

Find the Circumference.

Back

31.4 in, 31.4in, 31.4

Front

What is the circumference?

Back

50.24

Front

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool? Round to the nearest hundredth.

Back

65.94

Front

The radius of a cookie is 5 inches. What is the cookie’s circumference?

Back

31.4