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 a side length of 5 units?

Back

P = 4 x 5 = 20 units.

Front

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

Back

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

Front

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

Back

P = 3 + 4 + 5 = 12 units.

Front

If the perimeter of a square is 24 units, what is the length of one side?

Back

Length of one side = 24 ÷ 4 = 6 units.

Front

What is the formula for the perimeter of a circle?

Back

The perimeter of a circle is called the circumference, calculated as C = 2πr, where r is the radius.

Front

If a rectangle has a perimeter of 30 units and a length of 10 units, what is the width?

Back

Width = (30 - 2*10) ÷ 2 = 5 units.

Front

What is the perimeter of a regular pentagon with each side measuring 6 units?

Back

P = 5 x 6 = 30 units.

Front

How do you find the perimeter of an irregular shape?

Back

Add the lengths of all the sides together.