Triangle PQR is similar to triangle ABC, ar of triangle PQR = 27cm², BC = 10cm, area of triangle ABC = 75cm², then QR =
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Answer:
16.7cm
Step-by-step explanation: 75/27 = (QR/BC)^2
25/9 = QR^2/10^2
QR = √(25*100/9)
= 16.66666 = 16.7cm
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