Radius & Diameter
Circumference
Area
Word Problems
Composite figures
100

The distance from the center of a circle to any point of the circle.

What is the radius?

100

The distance around a circle.

What is the circumference?

100

The formula for the area of a circle?

What is A= π•r2?

100

A bicycle wheel has a radius of 1 foot. If the bicycle wheel rotates one time, what distance is traveled?

What is 6.28 feet?

100

When finding a composite shape, you need to find the area of all the shapes and _______.



What is add?

200

The distance across a circle measured through its center.

What is the diameter?

200

A circle has a diameter of 3 inches.  This is the circumference. Use π = 3.14.

What is 9.42 inches?

200

A circle has a diameter of 16 units. Find the area.

What is 200.96 units2?

200

The circumference of a wheel is 113.04 inches.  The radius of the wheel? To the nearest whole inch.

What is 18 inches?


200

When finding the circumference of a semicircle, you need to divide by 2 and _______.

What is the diameter?

300

The radius is 4 inches. What is the diameter?

What is 8 inches?

300

A circle has a diameter of 102.38 inches.  What is the circumference? Use π = 3.14

What is 321.47 inches?

300

If the diameter is 14 cm, the area of the circle.

What is 153.86 cm2?

300

If your circumference is 72.98 m. This is radius, rounded to the nearest tenth of a meter.

What is 11.6 m?

300

Find the circumference of a semicircle with a diameter of 15cm. 

What is 38.55cm?

400

The Diameter is 25 meters. What is the Radius?

What is 12.5 meters?

400

A circle has a radius of 16 feet.  Find the Circumference. Use π = 3.14.

100.48 feet

400

A circle has a radius of 50 miles. What is the area of the circle TO THE NEAREST MILE?

What is 7854 mi2.

400

A circle has a circumference of 18.84

.

 What is the area?

What is 28.26

400

Find the area to the nearest tenth.

What is 15.53 m2?

500

The Radius is  81 cm. What is the Diameter?

What is 162 cm?

500

If the radius is 123.45, this is the circumference. Use π = 3.14

What is 775.266?

500

A pizza is 16 inches long (diameter). It is cut into 4 pieces. Jane eats 3 of the pieces. What is the area of pizza she is eatin?

What is 150.72 in2?

500

John owns a circular pool in his backyard. If he swims around the pool, he swims 30pi meters. What is the radius of this circle?

What is 15 meters.