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 4cm?

Back

16cm (P = 4 sides x 4cm).

Front

If one side of a triangle measures 5cm, and the other two sides measure 5cm each, what is the perimeter?

Back

15cm (5cm + 5cm + 5cm).

Front

What is the perimeter of an equilateral triangle with each side measuring 12cm?

Back

36cm (12cm + 12cm + 12cm).

Front

How do you find the perimeter of a parallelogram?

Back

Add the lengths of two adjacent sides and multiply by 2: P = 2(length + width).

Front

What is the perimeter of a rectangle that is 10in long and 6in wide?

Back

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

Front

What is the perimeter of a trapezoid with sides measuring 5ft, 7ft, 10ft, and 15ft?

Back

37ft (5ft + 7ft + 10ft + 15ft).

Front

If a square has a perimeter of 40cm, what is the length of one side?

Back

10cm (P = 4 sides, so 40cm ÷ 4 = 10cm).

Front

What is the perimeter of a triangle with sides measuring 3cm, 4cm, and 5cm?

Back

12cm (3cm + 4cm + 5cm).