The length of the shadow of a pillar is increased by #60m# when the angle of elevation of the sun becomes #30^@# from #45^@#. Find the height of the pillar ?
The length of the shadow of a pillar is increased by #60m# when the angle of elevation of the sun becomes #30^@# from #45^@# . Find the height of the pillar ?
The length of the shadow of a pillar is increased by
1 Answer
Jun 25, 2018
height=81.967 metre(approx.)
Explanation:
we have
and
hence height =81.967 metre