Question

In a triangle PQR , MN is parallel to QR .If PM=4.5 cm , MQ=7 cm , PR=10 cm then find NR.

Answer 1

Answer:

6.087 cm

Step-by-step explanation:

MQ NR

----- = -------

PQ PR

but PQ = PM + MQ = 4.5 + 7 = 11.5 cm

7 NR

=> ----- = -------

11.5 10

7 7 x 10 x 10

=> ----- x 10 = NR => NR = -------------------

11.5 115

140

.•. NR = --------- = 6.087 cm ( approximately)

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