The lower end of ladder is at the distance of 27dm from the base of a pillar and it's upper end reaches at the height of 120dm on the pillar. Find the length of the ladder.
aryanppp:
what is the answer
i guess it is 147 dm
no 123dm
but how this is coming
can you show me the method
will do
just wait for sometiome
ok
Answers
Answered by
4
AB²=AC²+BC²
AB²=120²+27²
AB²=14400+729
AB²=15129
AB=√15129
=123(Ans)
AB²=120²+27²
AB²=14400+729
AB²=15129
AB=√15129
=123(Ans)
Hope it helped you
Similar questions