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The bottom of a ladder must be placed 4 feet from a wall. the ladder is 12 feet long. how far above the ground does the ladder touch the wall? round your number to the nearest tenth.

Respuesta :

shortchemstud
Pythagorean theorem

a^2+b^2=c^2

c=12

a=4

16 + b^2 = 144

b^2 = 128

b = 11.3
noelie0522
the answer is 11.3 feet above the ground

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