Question

thethe perimeter of a rectangle is 72 CM the length is three times the width find the area of the rectangl

Answer 1

Answer:

Length = 27 cm

Breadth = 9 cm

Step-by-step explanation:

$\text{Let breadth be b. Then length (l) = 3b}\\\\\text{Perimeter = 2(l+b) = 2(3b+b) = 2(4b) = 8b}\\\\\text{But, given perimeter = 72 cm}\\\\\text{According to the question,}\\\\8b = 72\\\\\implies b = 72 \div 8 = \boxed{9 \: cm}\\\\\textbf{Thus, length = 3(9) = 29 cm and breadth = 9 cm.}$

Hope it helps!

Answer 2

Step-by-step explanation:

refer to the attachment please