InterviewSolution
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InterviewSolution
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In a triangle ABC, the altitude from A is not less than BC and the altitude from B is not less than AC. The triangleA. right angledB. isoscelesC. obtuse angledD. equilateral |
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Answer» Correct Answer - A Given `c sin B ge a` `rArr sin C sin B ge sin A` and `a sin C ge b` `rArr sin C sin A ge sin B` `rArr sin C sin A ge sin B ge (sinA)/(sinC)` `:. Sin^(2) C ge 1` `rArr sin C = 1` `rArr angle C " is " (pi)/(2)` |
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