Question

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Answer 1

Answer:

the height of the wall will be 175 m.

Step-by-step explanation:

because if we multiply 25 and 7 we will get 175.so the answer is 175 m

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Answer 2

Answer:

1. AB= Ladder = c=25 m
2. AC= Distance from the foot of the tower= b= 7 m
3. BC= Distance at which the ladder touches the wall. a= ?
4. So a^2 = c^2 -b^2
5. = a= √(25^2–7^2)
6. = √(625–49)
7. =√576= 24.

• So the ladder touches vertical towel at a distance of 24- metres. When it slides 4- metres, then
• a=20
• c= 25
• b=?
• So b= (25^2–20^2)^0.5= 225^0.5 = 15.
• Therefore when the ladder slides 4- metres from the tower, the distance from the foot of the ladder will he 15 metres from the ground.
• So the ladder will slide a distance of (15–7)= 8- metres.

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