Two poles of heights 6 m and 11 m stand on a plane ground. If the distance between their feet is 12 m, find the distance between their tops.

Question

Philoid · Accepted Answer

Let AB and CD be the poles.

AB=PD= 6m, CD=11m

BD=AP=12m

CP=CD-PD

CP=11-6

CP=5

In ⊿ APC

AC²=CP²+AP²

AC²=12²+5²

AC²=144+25

AC²=169

AC=

AC= 13m