Q.

In ∆PQR , PQ=2 cm , QR=5 cm and PR=1 cm. is this triangle possible? 

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a

Maybe

b

Yes

c

No

d

Cannot determine

answer is A.

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Detailed Solution

PQ+PR<QR. the sum of any two sides must be greater than the length of third side but here PQ+PR is less than QR

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