Area and Circumference of a Circle

Front

What is the formula for the Circumference of a Circle?

Back

Tags

CCSS.7.G.B.4

Front

What is the formula for the Area of a Circle?

Back

Tags

CCSS.7.G.B.4

Front

What is the Circumference of a circle with a RADIUS of 2.5 cm?

Back

The Circumference is 15.7 cm.

Tags

CCSS.7.G.B.4

Front

What is the Circumference of a circle with a RADIUS of 7 cm?

Back

The Circumference is 43.96 cm.

Tags

CCSS.7.G.B.4

Front

What is the Area of a circle with a RADIUS of 3.5 cm?

Back

The Area is 21.98 cm².

Tags

CCSS.7.G.B.4

Front

What is the Area of a circle with a RADIUS of 7 cm?

Back

The Area is 153.86 cm².

Tags

CCSS.7.G.B.4

Front

What does the term 'radius' mean in relation to a circle?

Back

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

Front

What does the term 'diameter' mean in relation to a circle?

Back

The diameter is the distance across the circle through its center, equal to twice the radius.

Tags

CCSS.HSG.C.A.2

Front

What is the relationship between the radius and diameter of a circle?

Back

The diameter is twice the length of the radius: d = 2r.

Front

What is the value of π (pi) used in calculations?

Back

Tags

CCSS.HSG.GMD.A.1