Perimeter and Area

Front

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

Back

Perimeter = 2 × (length + width)

Front

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

Back

Area = length × width

Front

If a rectangle has a length of 8 meters and a width of 5 meters, what is its area?

Back

40 square meters (8 × 5 = 40)

Front

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

Back

28 cm (2 × (10 + 4) = 28)

Front

What does 'perimeter' mean?

Back

Perimeter is the total distance around the outside of a shape.

Front

What does 'area' mean?

Back

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

Front

If two rectangles have the same perimeter, can they have different areas?

Back

Yes, rectangles can have the same perimeter but different areas.

Front

What is the perimeter of a rectangle with a length of 12 inches and a width of 6 inches?

Back

36 inches (2 × (12 + 6) = 36)

Front

What is the area of a rectangle with a length of 7 feet and a width of 3 feet?

Back

21 square feet (7 × 3 = 21)

Front

If a rectangle has a perimeter of 50 meters and one side is 15 meters, what is the length of the other side?

Back

10 meters (Perimeter = 2 × (15 + x) = 50, solve for x)