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A square, a regular pentagon and a regular hexagon are jointly drawn in the figure Find ∠BAC |
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Answer» One angle of a regular pentagon = 108° One angle of a regular hexagon = 120°. One angle of a square = 90° ∴ ∠BAC = 360 – (108 + 20 + 90) 360 – 318 = 42°. |
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