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CBSE Class 10 Answered

Find Distance(Reflection)
Asked by baidshryans | 01 Oct, 2008, 10:01: PM
answered-by-expert Expert Answer

image of P(-3,4) in the line y=3 will be P1(-3,2). only y coordinate will change such that the length of perpendicular remains same for the point and its image.

image of P1 in y=x will be P2(2,-3)

now distance between P and P2 =(-3-2)2+(4-(-3))2 = (25+49) = 74

Answered by | 30 Nov, 2008, 02:36: AM

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