Area and Circumference Flashcard

Front

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference? Options: c = 15π, C = 2π15, c = 15 ÷ π, c = 15 π

Back

c = 15π

Front

Is the red line a radius or diameter of the circle?

Back

Radius

Front

Circumference

Back

The distance around a circle.

Front

Equation to find fabric amount for a table with 5 ft diameter.

Back

A = π2.5²

Front

The Jones family wants to enclose their circular garden with a fence. To the nearest foot, what is the minimum length of fencing they need to buy (use 3.14 for pi)?

Back

393 ft

Front

A cruise ship has a large, circular window with a diameter of 6 meters. What is the window's area (use 3.14 for pi)?

Back

28.26 m²

Front

Area of semicircle (use 3.14 for pi)?

Back

None of the above

Front

What does area mean?

Back

the amount of space inside a shape

Front

A ball has a circumference of 6.28 cm. What is the diameter (use 3.14 for pi)?

Back

2 cm

Front

Find the circumference to the nearest whole number (use 3.14 for pi).

Back

88 in