Calculate the height of the equilateral triangle in the design of lintel, if the masonry used is poor graded. Take effective span as 1.29 m.

Calculate the height of the equilateral triangle in the design of lintel, if the masonry used is poor graded. Take effective span as 1.29 m. Correct Answer 1.117m

Taking 60° Then height of equilateral triangle (h) = l × sin 60 ° = 1.29 × sin 60 ° = 1.117m.
Bissoy MCQ

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