A ladder of length 80m leaning against a wall is 4√2 m away from the wall. Then the angle of elavation is
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Answer:
angle of elevation= 45°
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Answer:
Angle of Elevation
cos ∅ = base÷height
⇒cos ∅ = 4√2 ÷ 80 = 1÷10√2
⇒∅=cos⁻¹(1÷10√2)
⇒∅=85.9445°
Step-by-step explanation:
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