Perimeter

Front

What is the perimeter?

Back

The perimeter is the total distance around the outside of a shape.

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width)

Front

If a square has a side length of 4 cm, what is its perimeter?

Back

Perimeter = 4 sides × 4 cm = 16 cm.

Front

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

Back

Perimeter = 3 cm + 4 cm + 5 cm = 12 cm.

Front

How do you find the missing side length if the perimeter of a rectangle is known?

Back

Subtract the sum of the known sides from the total perimeter.

Front

What is the perimeter of a rectangle with a length of 10 feet and a width of 5 feet?

Back

Perimeter = 2(10 ft + 5 ft) = 30 ft.

Front

If the perimeter of a polygon is 40 cm and it has 4 equal sides, what is the length of each side?

Back

Each side = 40 cm ÷ 4 = 10 cm.

Front

What is the perimeter of a circle called?

Back

The perimeter of a circle is called the circumference.

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2πr, where r is the radius.

Front

If a rectangular garden has a perimeter of 50 feet and one side is 15 feet, what is the other side?

Back

Other side = (50 ft - 2 × 15 ft) ÷ 2 = 10 ft.