Question 93

∆XYZ is similar to ∆PQR. If ratio of Perimeter of ∆XYZ and Perimeter of ∆PQR is 16:9 and PQ = 3.6 cm, then what is the length(in cm) of XY?

Solution

For similar triangles, ratio of perimeters = ratio of corrosponding sides

XY/PQ = 16/9

XY/3.6 = 16/9

XY = 6.4

So the answer is option C.

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