The length of a rectangle is 10 cm more than the breadth Find the diagonal length of rectangle if pe...........

Quantitative Aptitude ( CCS) Mensuration 2D

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The length of a rectangle is 10 cm more than the breadth. Find the diagonal length of rectangle if perimeter is 44 cm ?

12.50 cm

14.21 cm

15.98 cm

17.08 cm

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Explanation:

Let the length of the rectangle = L cm
Then the breadth of the rectangle = (L - 10) cm
Perimeter of a rectangle = 2(L + B) cm
=> 44 = 2(L + L - 10)
=> 44 = 4L - 20
=> 4L = 64
=> L = 16 cm
=> B = L - 10 = 6 cm
Diagonal = √(L²+B²)= √(16²+6²) = 17.08 cm