a bridge across a river makes an angle of 45 degree with the river bank if the length of bridge across the river is 150 M then width of the river is......
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if the angle is 45 degree then the triangle formed is right angled isoscale triangle
so by Pythagoras theorem
let the width be x
2x^2= (150)^2=22500
x^2= 11250
x= 75√2m
so by Pythagoras theorem
let the width be x
2x^2= (150)^2=22500
x^2= 11250
x= 75√2m
dnm:
but i have 75√3 in options
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