Question

Two poles of height 6m and 11m stand on a plane.if the distance between their feet is 12m.find the distance between their tops.

Answer 1

given distance between tops of poles= 12m

the poles of heights 6m &11m ,difference lengths of poles= 5m

draw the line to longer pole form the top of shorter pole perdicularly and also join the tops of poles,clearly a right angled triangle is formed.

let the distance between their tops be xm

by pythagorus theorem x²=12²+5²=144+25=169

the value of x is 13,therefore distance between their tops is 13m

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