Perimeter and Area

Front

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

Back

Multiply the length by the width.

Front

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

Back

Add all the sides together or use the formula: 2(length + width).

Front

What does AREA measure?

Back

The space inside a shape.

Front

What does PERIMETER measure?

Back

The distance around a shape.

Front

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

Back

15 cm² (5 cm x 3 cm).

Front

If a rectangle has a length of 8 m and a width of 2 m, what is its PERIMETER?

Back

20 m (2(8 m + 2 m)).

Front

What is the AREA of a square with a side length of 4 inches?

Back

16 inches² (4 inches x 4 inches).

Front

What is the PERIMETER of a square with a side length of 4 inches?

Back

16 inches (4 inches x 4).

Front

How do you find the AREA of a triangle?

Back

Multiply the base by the height and divide by 2.

Front

If a triangle has a base of 6 cm and a height of 4 cm, what is its AREA?

Back

12 cm² (6 cm x 4 cm ÷ 2).