Math, asked by mullai2308, 10 months ago

5. Area of a rectangle is 360 cm? which is 90%
area of a square. Find Perimeter of square.
(a) 70 cm?
(b) 75 cm
(C) 80 cm
(d) 85 cm?
(e) None of these

Answers

Answered by shubham1115
1

Answer:

80 cm is the answer....

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Answered by Aparna2904
0

Let the side of square be x.

Given,

=> 90% of = 360 cm²

=> 90/100 × = 360

=> 90x² = 360×100

=> = 400

=> x = 20 cm

Now,

Perimeter = 4× side

= 4× 20

= 80 cm

ANS ---> (C) 80cm

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