The length of the first side of the triangle is 18 cm, the second is 3 times less
| March 15, 2021 | education
The length of the first side of the triangle is 18 cm, the second is 3 times less, and the length of the third side is 14 cm. Find the perimeter of this triangle.
18: 3 = 6 cm – the length of the second side of the triangle
18 + 6 + 14 = 38 cm – the perimeter of the triangle.
Answer: 38 cm.
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