Math, asked by aageyat, 1 year ago

The circle inscribed in triangle PQR has radius of length 3 cm. PQ has length 7 cm. Find the perimeter of triangle PQR

Answers

Answered by smiti1

1

permitre of a truangle= 2(l+b)
2(3+7)
2×21
42
perimetre of a triangle is 42cm

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