A ladder is leaning against a building. The distance from the bottom of the ladder to the building is 20 ft shorter than the length of

Question

A ladder is leaning against a building. The distance from the bottom of the
ladder to the building is 20 ft shorter than the length of the ladder. How high
up the side of the building is the top of the ladder if that distance is 10 ft less
than the length of the ladder?

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Orla Orla 4 weeks 2021-08-30T16:19:23+00:00 1 Answers 0 views 0

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    0
    2021-08-30T16:20:41+00:00

    i’m pretty sure it’s 2

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )