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CBSE Class 9 Answered


In PQR, A, B and C are the mid points of QR, RP and PQ respectively. If the lengths of sides PQ, QR and RP are 7 cm, 8 cm and 9 cm respectively, find the perimeter of ABC. 



Asked by Topperlearning User | 11 Aug, 2017, 12:00: PM
Expert Answer
By mid point theorem,
Perimeter of ABC = CB + BA + AC = (4 + 3.5 + 4.5) cm = 12 cm
Answered by | 11 Aug, 2017, 02:00: PM
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