The perimeter of a rectangle is 90 cm. the length is 15cm more than four times the width. find the dimensions of the rectangle.

Question

asked Aug 20, 2018 169k views

1 Answer

← Prev Question Next Question →

Ask a Question

Pranav MS · Answer 1 · 2018-08-25T12:32:25+0000

P = 2(L + W)
P = 90
L = 4W + 15

90 = 2(4W + 15 + W)
90 = 2(5W + 15)
90 = 10W + 30
90 - 30 = 10W
60 = 10W
60/10 = W
6 = W <=== the width is 6 cm

L = 4W + 15
L = 4(6) + 15
L = 24 + 15
L = 39 <=== the length is 39 cm

The perimeter of a rectangle is 90 cm. the length is 15cm more than four times the width. find the dimensions of the rectangle.

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

Please log in or register to add a comment.

No related questions found

Categories

Other Questions