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A triangle ABC having vertices A(5,1), B(-1,-7) and C(1,4) respectively. L be the line mirror passing through C and parallel to AB and a light ray emanating point A goes along the direction of internal bisector of the angle A, which meets the mirror and BC at E, D respectively. If sum of the areas of triangle ACE and triangle ABC is (10+a) sq unit then find the value of a.

A triangle ABC having vertices A(5,1), B(-1,-7) and C(1,4) respectively. L be the line mirror passing through C and parallel to AB and a light ray emanating point A goes along the direction of internal bisector of the angle A, which meets the mirror and BC at E, D respectively. If sum of the areas of triangle ACE and triangle ABC is (10+a) sq unit then find the value of a.

Grade:12th pass

1 Answers

Vikas TU
14149 Points
3 years ago
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