A 16 foot ladder is used to scale a 14.5 foot wall. At what angle of elevation must the ladder be situated in order to reach to the
top of the wall? Round to the nearest degree.

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nickames202otpo7q

31.08.2021

Mathematics

6(-3r)=-39+3r
-18r = -39+3r
39 = 18r + 3r
39 = 21r
39/21 = r
13/7 = r
r = 13/7

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A 16 foot ladder is used to scale a 14.5 foot wall. At what angle of elevation must the ladder be situated in order to reach to the top of the wall? Round to the nearest degree.