Question

The sides of a triangle are p, q and r. If p + q = 45, q + r = 40 and p + r = 35, then find the area of the triangle. PLEASE TELL ME THE BOOK THIS QUESTION IS FROM... OR WHEREVER QUESTON BANK/WEBSITE ETC. ANYTHING FROM WHERE THIS IS THERE.

Answer 1

Answer:

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Step-by-step explanation:

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