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 triangle with sides measuring 10 in, 12 in, and 15 in?

Back

37 in.

Front

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

Back

20 cm (P = 4 x side length).

Front

If a rectangle has a length of 8 m and a width of 3 m, what is its perimeter?

Back

22 m (P = 2(8 + 3)).

Front

What is the perimeter of a parallelogram with opposite sides measuring 10 yd and 6 yd?

Back

32 yd (P = 2(10 + 6)).

Front

What is the perimeter of a shape with sides measuring 4 cm, 5 cm, and 6 cm?

Back

15 cm.

Front

If a triangle has a perimeter of 24 m and two sides measure 8 m and 7 m, what is the length of the third side?

Back

9 m.

Front

What is the perimeter of a rectangle with a length of 12 ft and a width of 5 ft?

Back

34 ft (P = 2(12 + 5)).

Front

How do you find the perimeter of a regular polygon?

Back

Multiply the length of one side by the number of sides.