April 14th Flashcardziz Area and Circumference of a Circle

Front

What formula is this used for:
πr²
Options: Circumference , Area, Surface Area, Volume

Back

Area

Front

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

Back

Circumference

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

Diameter 13.5 in
Find the circumference of the circle.

Back

42.39 in

Front

Ray wants to build a fence around his circular garden with a radius of 6 ft. How many feet of fencing does he need?

Back

37.68 ft

Front

What is the diameter? Options: 5 in, 10 in, 3.14 in, 15.84 in

Back

10 in