The perimeter of a rectangle is 35.8 cm. The sum of the lengths of the rectangle is 25.64 cm. What is the width of the rectangle?

Respuesta :

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The formula of a perimeter of rectangle:

P = 2l + 2w

We have P = 35.8 cm and 2l = 25.64 cm.

Substitute:

25.64 + 2w = 35.8       subtract 25.64 from both sides

2w = 10.16    divide both sides by 2

w = 5.08

Answer: the width = 5.08 cm