A leader is placed against a wall in such a way that it's foot is at distance of 9m from the wall and it's top reaches a window 12m above the ground in the wall find the length of the ledder.
Answers
Answered by
5
Hey mate...
here's the answer...
Height of wall = 12m
Distance from the ladder to wall = 9m
(12)^2 + (9)^2 = (x)^2
144 + 81 = (x)^2
225 = x^2
15 = x
Height of ladder
= 15 m
Hope it helps ❤️
Answered by
0
Answer:
15
Explanation:
12^2+9^2=x^2
144+81=x^2
225=x^2
15=x
x=15
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