Unknown Perimeter Area

Front

What is the formula to find the perimeter of a square?

Back

Perimeter = 4 × side length (s)

Front

If the perimeter of a square is 20 cm, what is the length of one side?

Back

5 cm

Front

What is the formula to find the area of a rectangle?

Back

Area = length × width

Front

If a rectangle has a length of 6 cm and a width of 4 cm, what is its area?

Back

24 cm squared

Front

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

Back

Perimeter = 2 × (length + width)

Front

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

Back

5 cm

Front

What is the formula to find the perimeter of a triangle?

Back

Perimeter = side1 + side2 + side3

Front

If a triangle has sides of 3 cm, 4 cm, and an unknown side, and the perimeter is 12 cm, what is the unknown side?

Back

5 cm

Front

What is the meaning of 'area' in geometry?

Back

Area is the amount of space inside a shape, measured in square units.

Front

What is the meaning of 'perimeter' in geometry?

Back

Perimeter is the total distance around a shape.