if ∆ ABC =∆ PQR AC= 3 X + 2 , PR =7x-14 and BC = 5x then find the value of QR
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Answer:
QR = 20
Step-by-step explanation:
AC = BC
3X + 2 = 7X - 14
7X-3X = 14 + 2
4X = 16
X = 4
BC = QR = 5(4) = 20
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