find perimeter and area A triangle PQR with PQ= 7cm, QR=5cm and RP=8cm and the corresponding height PS= 13cm pls help its my request
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Answer:
perimeter of triangle= some of triangle side
=PQ+QR+RP
= 7cm+5cm+8cm
= 20 cm
Area of triangle= 1/2×base×prependicular height
1/2cm x 5cm × 13cm
= 32.5cm
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