L.28 Perimeter and Area of Rectangles

Front

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

Back

Length x Width

Front

If a rectangle has a length of 5 cm and a width of 3 cm, what is its area?

Back

15 cm²

Front

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

Back

2 x (Length + Width)

Front

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

Back

28 feet

Front

What does 'area' measure in a rectangle?

Back

The amount of space inside the rectangle.

Front

What does 'perimeter' measure in a rectangle?

Back

The distance around the rectangle.

Front

If the area of a rectangle is 36 sq units and the length is 6 units, what is the width?

Back

6 units

Front

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

Back

10 cm

Front

What is the area of a rectangle with a length of 8 m and a width of 2 m?

Back

16 m²

Front

If the width of a rectangle is doubled, what happens to the area?

Back

The area also doubles.