Question

solve my questions please answer​

Answer 1

Step-by-step explanation:

$perimeter \: of \: triangle = (2 {p}^{2} + {q}^{2} + 2pq) \: - ( {p}^{2} + pq) \\ 2 {p}^{2} + {q}^{2} + 2pq - {p}^{2} - pq \\ {p }^{2} + {q}^{2} + pq$

Answer 2

Step-by-step explanation:

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