CBSE Class 10 Maths (Standard) 2020 · Paper 30(B) · Question 25
On the edge of a wall of a house, a projection , which is perpendicular to the wall, is erected and its edge is of length cm. A point searchlight is fixed on the corner point of projection which sends a ray of light such that cm. If , then find the value of
- (i), and
- (ii).
Answer
(i) ; (ii)
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