The length of a rectangle is four times its width.

The rectangle has an area of 1024 cm².

Work out the width of the rectangle.

Question

Mathematics

Cristina Sparks

8 January, 10:23

The length of a rectangle is four times its width.

The rectangle has an area of 1024 cm².

Work out the width of the rectangle.

+1

Answers (1)

Know the Answer?

Gracie Odonnell · Answer 1

Width of the rectangle is 16 cm

Step-by-step explanation:

Step 1: Let the width of the rectangle be x. Then length = 4x. Find width.

Area of the rectangle = length * width

⇒ 1024 = x * 4x

⇒ 4x² = 1024

⇒ x² = 1024/4 = 256

⇒ x = √256 = 16

The length of a rectangle is four times its width.The rectangle has an area of 1024 cm².Work out the width of the rectangle.

The length of a rectangle is four times its width.

The rectangle has an area of 1024 cm².

Work out the width of the rectangle.