Find the circumference
Find the radius
Find the diameter
Semi Circles (DOUBLE POINTS)
Vocabulary
100

The radius of a circle is 8 miles. What is the circles circumference?

c=50.26548246 in miles

100

The diameter of a circle is 6 kilometers. What is the circle's radius?

r = 3km

100

The circles circumference is 8π meters. What is the circles diameter?

D=8 miles

100

The diameter of a half circle is 2 meters. What is the circumferences?

π + 2 

100

What does chord mean?

A line segment whose endpoints lie on a circle.

200

The diameter of a circle is 6 yards. What is the circles circumference? 

c=18.84955592yd

200

The circumference of a circle is 4π feet. What is the circles radius?

r=2ft

200

The radius of a circle is 4 miles. what is the circles diameter?

d=8mi

200

The diameter of a circle is 6 meters. What is the circumference of half that circle?

3π + 6

200

What is a circle?

A circle is a set of points in a plane that are the same distance from a given point called the center.

300

The diameter of a circle is 2 yards. what is the circumference?

c=6.283185307yd

300

The circumference of a circle is 8π yards. what is the circles radius?

r=4yards

300

The radius of a circle is 2 meters. What is the circles diameter?

d=4m

300

The radius of three quarters of a circle is 4 miles. What is its circumference?

6π + 8

300

What is a circumference?

A circumference is the distance around a circle.

400

The radius of a circle is 1 mile. What is the circles circumference?

c=6.283185307mi

400

The diameter of a circle is 24 centimeters. What is the circles radius?

r=12cm

400

The circles circumference is 10π miles. What is the circles diameter?

10mi

400

The diameter of a circle is 6 yards. What is the circles circumference if we wanted three quarters of it?

4.5π + 6

400

What is a diameter? 

A diameter is a line segment that passes through the center of a circle and has endpoints on the circle, or the length of that segment. 

500

The diameter of a circle is 8 inches. What is the circles circumference?

c=25.13274123in

500

The diameter of a circle is 8km. what is the circles radius?

r=4km


500

If the radius is 1567, what is the diameter?

d=3,134

500

Find the circumferences of this given image.

8π + 16

500

What is a radius?

A radius is a line segment with one end point at the center of a circle and the other end point on the circle, or the length of that segment.

M
e
n
u