Circles Review

Front

What is the diameter of a circle?

Back

The diameter is a line that goes from one end of the circle to the other and crosses the center point.

Front

True or False: The diameter is two times the radius.

Back

True.

Tags

CCSS.7.G.B.4

Front

Which circle has a larger circumference: Circle A with a radius of 4.75 inches or Circle B with a diameter of 9 inches?

Back

Circle A has a larger circumference.

Tags

CCSS.7.G.B.4

Front

What does the diameter of a circle represent?

Back

The diameter represents the longest distance across the circle, passing through the center.

Front

What is the radius of a circle?

Back

The radius is the distance from the center of the circle to any point on its circumference.

Front

If the radius of a circle is 5 inches, what is the diameter?

Back

The diameter is 10 inches.

Tags

CCSS.7.G.B.4

Front

What is the formula for the circumference of a circle?

Back

The circumference (C) is calculated using the formula C = πd, where d is the diameter.

Tags

CCSS.7.G.B.4

Front

What is the area of a circle with a radius of 5 inches?

Back

The area is 78.54 square inches, calculated using the formula A = πr².

Tags

CCSS.7.G.B.4

Front

What is the relationship between the radius and diameter?

Back

The diameter is always twice the length of the radius.

Tags

CCSS.7.G.B.4

Front

If a circle has a diameter of 12 inches, what is its radius?

Back

The radius is 6 inches.

Tags

CCSS.7.G.B.4