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Trigonometry
Question

10 -foot ladder is placed against a building so th...

10 -foot ladder is placed against a building so that the ladder makes a \( 78 ^ { \circ } \) angle with the ground. To the nearest tenth of a foot, at what height does the ladder touch the building? 

7.8 feet

9.8 feet 

10.2 feet 

16.2 feet

Answer

option B is corrrect

Solution
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