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20
115
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work hard to achieve high!
he should bud the ladder so it wouldn't be able to reach
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that depends on the hieght of the building.
30 feet. And you don't have to round it to the nearest foot. It's exactly 30 feet.
Answer your self dont know
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It depends if you want the ladder to overhang or to be set under but I would say 2 feet or 2/3 of a meter
115
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To scale a building means to climb it by means of a ladder, or to reach the highest point. This term is often used in reference to attacking a castle - to "scale a castle wall" when attacking.
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rope