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DeltaABC~DeltaPQR, M is the midpoint of ...

`DeltaABC~DeltaPQR`, M is the midpoint of BC and N is the midpoint of QR. IF `DeltaABC=100cm^2` and `DeltaPQR=144cm^2` and AM=4 cm, then PN=

A

5 cm

B

4.8 cm

C

4 cm

D

3.8 cm

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BEYOND PUBLICATION-SIMILAR TRIANGLES-EXERCISE
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