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Question

In the figure, given below PA,QB,RC and SD are all perpendiculars to a line l, AB=6 cm, BC=9 cm, CD=12 cm and SP=36 cm. Find PQ,QR and RS.
1275014_678c642e721643cbbc4bf75dd62f31d3.png

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Solution

Since all the lines are perpendicular to line l

They all are parallel to each other

the segments of lines in between them are proportional.

PQAB=QRBC=RSCD=PSADPQ6=QR9=RS12=3627PQ=43×6=8cmQR=43×9=12cmRS=43×12=16cm


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