math problem 10 points best answer?
A ladder on a fire truck can be extended to the maximum length of 20 m when it rose its maximum angle 70dgree. the base of the ladder is mounted on the truck 2 m above the ground. what height above the ground to reach the ladder? thanks
The scope of the stairs is * 70 + 2m 20 without the truck. * 20 without 70 + 2 = 20.8 m
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