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Bzamfir · Answer 1 · 2021-03-21T17:01:16+0000

Answer:

Explanation:

Let RS = x , then PS = x²

2x² + 2x = 84

x² + x - 42 = 0

(x + 7)(x - 6) = 0

x = 6

PQ and RS are 6

QR and SP are 36