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Question 1. Asked on :31 March 2019:12:34:26 PM

#### A child walk 5m to cross a rectangular field  diagonally, if breadth of the field in 3m, its length is:

-Added by Master Purushottam Mathematics » Mensuration

Himanshi Verma

In the figure, ABCD is a rectangular field.
AC is the diagonal.
Triangle ABC,
$A{C}^{2}=A{B}^{2}+B{C}^{2}$
${20}^{2}={16}^{2}+B{C}^{2}$
$B{C}^{2}={20}^{2}-{16}^{2}$
=$\left(20+16\right)\left(20-16\right)=36×4$
$BC=6×2$ = 12 m.
The breadth of the field is 12 m.

-Answered by Himanshi Verma On 06 April 2019:06:43:16 PM(1547Average Rating Based on rating)

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