9. A ladder 17m long reaches a window which is 8m above the ground on one side of street. Keeping it’s foot at the same point the ladder is turned to the other side of the street to reach a window at a height of 15m. Find the width of street.
Answers
Answered by
5
Answer:
23
Step-by-step explanation:
By Pythagoras theorem (H²=P²+B²)
Ladder - Hypotenuse
Height of Windowed Wall - Perpendicular
Distance on Ground from Windowed Wall to Ladder - Base
17²-8²=15²
(289-64=225)
17²-15²=8²
(289-225=64)
15+8=23
(Both the bases)
Answered by
0
Answer:
The answer is 23_____________
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