Question

Show that the points P (1, 2), Q (4, 5) and R (7, 2) represent the vertices of a right-angled triangle.​

Answer 1

Answer:

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Answer 2

Answer:

section formula se (P,Q) (Q,R) (R,P) Ki length nikalo

and for right angle triangle the square of one side is the sum of sum of squares of other sides.