Perimeter

Front

What is perimeter?

Back

Perimeter is the total distance around the outside of a shape.

Front

How do you calculate the perimeter of a rectangle?

Back

Add the lengths of all four sides or use the formula: P = 2(length + width).

Front

What is the perimeter of a square with each side measuring 5 units?

Back

20 units (P = 4 x side length).

Front

If a triangle has sides measuring 3 units, 4 units, and 5 units, what is its perimeter?

Back

12 units (3 + 4 + 5 = 12).

Front

What is the perimeter of a trapezoid with sides measuring 5 in., 7 in., 8 in., and 6 in.?

Back

26 in. (5 + 7 + 8 + 6 = 26).

Front

What is the perimeter of a circle called?

Back

Circumference.

Front

How do you find the perimeter of a shape with unequal sides?

Back

Add the lengths of all the sides together.

Front

What is the perimeter of a shape with sides measuring 2 in., 3 in., and 4 in.?

Back

9 in. (2 + 3 + 4 = 9).

Front

If a rectangle has a length of 10 units and a width of 4 units, what is its perimeter?

Back

28 units (P = 2(10 + 4) = 28).

Front

What is the perimeter of a polygon?

Back

The sum of the lengths of all its sides.