Area and Circumference of Circles

Front

What is the formula for the circumference of a circle using the radius?

Back

Tags

CCSS.7.G.B.4

Front

What is the formula for the circumference of a circle using the diameter?

Back

Tags

CCSS.7.G.B.4

Front

If a circle has a radius of 4, what is its circumference in terms of pi?

Back

Tags

CCSS.7.G.B.4

Front

What is the radius of a penny if its circumference is 59.66 mm?

Back

9.5 mm

Tags

CCSS.7.G.B.4

Front

What is the circumference of a circle with a radius of 9 cm?

Back

Tags

CCSS.7.G.B.4

Front

Define 'radius' in the context of a circle.

Back

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

Tags

CCSS.HSG.C.A.2

Front

Define 'diameter' in the context of a circle.

Back

The diameter is twice the radius and is the distance across the circle through its center.

Tags

CCSS.HSG.C.A.2

Front

What is the relationship between circumference and diameter?

Back

Tags

CCSS.7.G.B.4

Front

How do you calculate the area of a circle?

Back

Tags

CCSS.7.G.B.4

Front

What is the value of pi (π) approximately?

Back

Approximately 3.14.

Tags

CCSS.HSG.GMD.A.1