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If P(0,7,10), Q(-1,6,6) and R (-4,9,6) a...

If P(0,7,10), Q(-1,6,6) and R (-4,9,6) are three points in the space , then PQR is

A

right angled isosceles triangle

B

equilateral triangle

C

isosceles but not right angled triangle

D

scalene triangle

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The correct Answer is:
A
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