Perimeter - Unknown Sides

Front

What is the perimeter?

Back

The perimeter is the total distance around a shape.

Front

What is the formula to calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width)

Front

If a rectangle has a length of 10 cm and a width of 5 cm, what is its perimeter?

Back

30 cm

Front

What is the perimeter of a square with each side measuring 4 meters?

Back

16 meters

Front

What do you call the distance around a shape?

Back

Perimeter

Front

If the perimeter of a rectangle is 20 meters and the width is 3 meters, what is the length?

Back

Length = 20/2 - 3 = 7 meters

Front

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

Back

12 cm

Front

How do you find the missing side length if you know the perimeter?

Back

Subtract the known sides from the total perimeter.

Front

What is the perimeter of a shape with sides measuring 2 m, 3 m, and 5 m?

Back

10 m (assuming it's a triangle) or 10 m (if it's a straight line) depending on the shape.

Front

If a rectangle has a perimeter of 24 meters and one side is 8 meters, what is the other side?

Back

8 meters.