Area and Circumference of a Circle

Front

What formula is this used for:
πr²

Back

Area

Front

What formula is this used for:
πd
Options: Area, Circumference, Surface Area, Volume

Back

Circumference

Front

Radius 6 cm
What is the diameter?

Back

12 cm

Front

Diameter 32 inches
What is the radius?

Back

16 inches

Front

What formula is used to find the space "inside" a flat object? Options: Circumference, Surface Area, Area, Volume

Back

Area

Front

What formula is used to find the distance around a circle? Options: Area, Surface area, Circumference, Volume

Back

Circumference

Front

Radius 5 in
Find the area of the circle.

Back

78.5 inches²

Front

Diameter 14 inches
Find the area of a circle.

Back

153.86 in²

Front

Radius 4 inches
Find the circumference of the circle.

Back

25.12 in

Front

Diameter 13.5 in
Find the circumference of the circle.

Back

42.39 in