Brett needed to repair a window that sat 12 feet high on a house. He has a 15 foot ladder. How far away must he set the

Question

Brett needed to repair a window that sat 12 feet
high on a house. He has a 15 foot ladder. How far away
must he set the ladder from the base of the house for it
to reach the window exactly?
3 ft
65 ft
© 9 ft D 6 ft

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Thiên Hương 3 years 2021-09-05T02:00:24+00:00 1 Answers 18 views 0

Answers ( )

  1. hongcuc2
    0
    2021-09-05T02:02:19+00:00
    Reply

    9 feet

    Use Pythagorean theorem:
    Leg: 12
    Hypotenuse: 15

    12^2 + x^2 = 15^2
    144 + x^2 = 225
    x^2 = 81
    x = 9

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