A ladder of length 100 m leans against a wall making 60 degrees with the ground. How high on the wall does it reach? (Take √3 = 1.73)
Answer and explanation
Correct answer: A. 86.5 m
- Step 1: Height = length x sin 60 degrees = 100 x √3/2.
- Step 2: = 50 x 1.73 = 86.5 m.
Answer
86.5 m.
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