Area, Perimeter, and Circumference

Front

What is the length around a circle called?

Back

The circumference.

Front

What is the formula to find the circumference of a circle?

Back

Front

What is the formula for the area of a circle?

Back

Front

What is the formula for the perimeter of a rectangle?

Back

Front

What is the formula for the area of a rectangle?

Back

Front

What is the formula for the area of a triangle?

Back

Front

What is the formula for the perimeter of a square?

Back

Front

What is the formula for the area of a square?

Back

Front

How do you find the circumference of a circle with a diameter of 10 inches?

Back

@@c = ext{π}d = ext{π} imes 10 ext{ in} \\ c ext{ is approximately } 31.4 ext{ in.}@

Front

If the radius of a circle is 5 cm, what is its circumference?

Back

@@c = 2 ext{π}r = 2 ext{π} imes 5 ext{ cm} \\ c ext{ is approximately } 31.4 ext{ cm.}@