a second truck arrives whose ladder, when extended,is 30 meters long. the base of this ladder is also 4 metres above the ground.
for safety reasons, the max angle of elevation that the ladder can make is 70%
1 answer:
Answer: The maximum height of the wall that can be reached by the ladder on the second truck = 58.19 meters
Step-by-step explanation:
A diagram for the given situation is attached.
To find: AC
In right triangle ABF,
Now AC = AB + BC = 28.19 + 30 meters = 58.19 meters
Therefore, the maximum height of the wall that can be reached by the ladder on the second truck = 58.19 meters
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