Circumference and Area of Circles & Semi-Circles

Front

Diameter

Back

Distance across the circle through the center

Front

radius

Back

distance from the center to any point on the circle

Tags

CCSS.HSG.C.A.2

Front

Formula for finding diameter

Back

d = 2 r

Tags

CCSS.7.G.B.4

Front

Formula for finding area of a circle

Back

A = π r²

Tags

CCSS.7.G.B.4

Front

Formula for finding the area of a semi-circle

Back

A = π r² / 2

Tags

CCSS.7.G.B.4

Front

Find the area of the circle.

Back

28.26 cm

Tags

CCSS.7.G.B.4

Front

What is the area of the welcome mat in square feet? Leave in terms of π.

Back

A = 8π

Tags

CCSS.7.G.B.4

Front

What is the circumference of a bowl with a diameter of 14 cm?

Back

43.98 cm

Tags

CCSS.7.G.B.4

Front

What is the distance from any point on the outside of a circle to the center of the circle called?

Back

Radius

Front

The distance across a circle through the center is called what?

Back

Diameter

Tags

CCSS.HSG.C.A.2