a ladder is 17 m long it reaches a window at a height h above the ground. if the foot of ladder is at a distance 8 m from the wall. find the height of the window.
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Answered by
7
H=17m
B=8m
P=?
By using Pythagoras theorem
17^2 = 8^2 + b^2
189=64+b^2
b^2=125
b=root125
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Answered by
20
Answer:
15m
Step-by-step explanation:
by pythagoras theorem
a2=b2+c2
a2=17*17=289
b2=8*8=64
c2=a2-b2
c2=289-64
c2=225
c=15
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saniarawal:
how 225convert into15
225 is the square of 15
thanks
your welcome
why we take 17 and 8 in square
just because 17 is the length of ladder while 8 is the distance between ladder and wall
ok i get it thanks
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