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The area of a rectangular courtyard is 3000 sq.m.. Its sides are in the ratio 6:5. Find the perimeter of courtyard.

written 5.2 years ago by teamques10 ★ 68k

modified 2.6 years ago by pedsangini276 • 4.8k

engineering mathematics

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written 5.2 years ago by teamques10 ★ 68k

Area of rectangular courtyard is = length x breadth

$Given l:b = 6:5$

$i.e. \frac{6}{5} = \frac{6}{5}$

$l = \frac{6}{5}b$

$3000 = \frac{6}{5}bxb$

$\frac{15000}{6} = b^{2}$

$2500 = b^{2}$

$b = 50$

$l = \frac{6}{5}b = \frac{6}{5}x50$

$l = 60$

Perimeter of rectangular courtyard is = 2(l+b)

= 2(60+50)

220m

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