Trigonometry problem with the roof of a house!?
Josh is building a garden shed that is 4 m wide. The two sides of cover must be in an angle of 80 degrees, and be equal in length. How long should each beam if it allows a projection of 0.5 m?
If the projection is 0.5 m below the horizontal length of each beam is L = 2.5/sin (40 °) = 3.889m If the beam extends to 0.5 m along its own length, the length of each beam is L = 2/sin (40 °) = 3.611m
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