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Question

The hypotenuse of a right-angled triangle exceeds one side by 1 cm and the other side by 18 cm find the lengths of the hypotenuse of the triangle.

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Solution

Let the hypotenuse of a
right angled be x cm
Base = (x-1) cm
Perpendicular = (x-18) cm
By Pythagoras Theorem,
(Hypotenuse)2=(Base)2+(Perp.)2
(x)2=(x1)2+(x18)2
x2=x2+12x+x2+32436x
x2=2x238x+325
x238x+325
using Quadratic formula
x=38±144413002
=38±122
x = 25 cm or x = 13 cm
As side can't be negative
x13cm
So, x= 25 cm

1163470_1276303_ans_a1107ad9dfbe40d2bf83776193737242.jpg

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