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Question Paper from: IBPS Clerk Prelims 2017

Length of the rectangle is 80% of diagonal of a square of area 1225, then find the area of a rectangle if it's perimeter is 94√2.

1016

500

1604

1064

625

Solution:

Chapter Name: Mensuration

Area of square= 1225

a² = 1225

a = 35, diagonal of square = a√2 = 35√2

length of rectangle = 80% of 35√2

l = 28√2

Perimeter = 94√2

2(l+b) = 94√2

2l +2b = 94√2

2b = 94√2 − 56√2

2b = 38√2

b = 19√2

Area= l × b = 28√2×19√2

=1064

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IBPS Clerk Prelims 2017

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