Math, asked by dattatraygaddep8ral2, 1 year ago

9×A(∆PQR)=16×A(∆LMN).If QR=20then find MN

Answers

Answered by vaidik31

2

9×1/2 BH = 16× 1/2 bh
B=QR=20
9×20/2 H= 8 bh
90H=8 bh
thus, h=90H/ 8
therefore, h=11.25H

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