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Question

ΔRSTΔXYZ. In ΔRST, RS = 4.5 cm, RST = 40° and ST = 5.7 cm.ΔRST and ΔXYZ constructed such that STYZ=35 .

Then XY = ______ cm.

A
7.5 cm
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B
8 cm
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C
6.9 cm
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D
7.6 cm
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Solution

The correct option is A 7.5 cm
Given ΔRSTΔXYZ, therefore corresponding sides will be in the same ratio.

ie, RSXY=STYZ=TRZX=35

RSXY=35 4.5XY=35

XY=53×4.5=7.5cm

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