The perimeter of the MNC triangle is 66 cm. The NC side = 16 cm, and the MC side is 15 cm

univerkov | April 8, 2021 | education

The perimeter of the MNC triangle is 66 cm. The NC side = 16 cm, and the MC side is 15 cm larger than the NC side. Find the side length MN.

1. Find the side of the MC of the triangle if it is 15 cm larger than NC:
16 cm + 15 cm = 31 cm.
2. Find the side МN of the triangle by subtracting the other two sides from the perimeter of the triangle:
66 cm – 31 cm – 16 cm = 66 cm – 47 cm = 19 cm.
Answer: side MN is 19 cm.

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