Question

class 10 step by step solution ​

Answer 1

Answer:

the answer is given above

Step-by-step explanation:

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Answer 2

Answer:

yes. any three non collinear points can form a triangle.

PQ=2^1/2

QR=5×2^1/2

RP=2×13^1/2

so we can observe that PQ^2+QR^2=RP^2

hence it forms a right angled triangle.

hope u understand