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If DeltaABC is a equilateral triangle an...

If `DeltaABC` is a equilateral triangle and P, Q, R are mid-points of sides AB, BC and CA respectively then-

A

PQR will an equilateral triangle

B

`PQ+QR+PR=AB`

C

`PQ+QR+PR=2AB`

D

PQR right angled triangle

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