7.G.4 Circumference Flashcard #1

Front

What does 12 inches represent in a circle?

Back

Radius

Front

How do you find the perimeter of a parallelogram?

Back

Add the lengths of all sides.

Front

What is the perimeter of a pizza with a circumference of 22 inches?

Back

22 in

Front

What is the length of the diameter of a circle if the radius is 3 cm?

Back

6 cm

Front

What is the circumference of a circle?

Back

The measurement around the circle.

Front

If the radius of a circle is 4 inches, what is the diameter?

Back

8 inches

Front

What formula is used to calculate the circumference of a circle?

Back

C = 2πr or C = πd

Front

What is the relationship between diameter and radius?

Back

Diameter is twice the radius.

Front

If a circle has a diameter of 10 cm, what is its radius?

Back

5 cm

Front

What is the perimeter of a rectangle with length 5 ft and width 3 ft?

Back

16 ft