The length of the first side of the triangle is 34cm, the length of the second is 17cm, and the third side is 24cm
| June 14, 2021 | education
The length of the first side of the triangle is 34cm, the length of the second is 17cm, and the third side is 24cm shorter than the first and second together. find the length of the third side and the perimeter of the triangle.
Decision:
1) Find the total length of the first and second sides:
34 + 17 = 51 (cm) – the total length of the first and second sides.
2) Find the length of the third side:
51 – 24 = 27 (cm) – the length of the third side of the triangle.
3) Find the perimeter of the triangle:
34 + 17 + 27 = 78 (cm) – the perimeter of the triangle.
Answer: the third side of the triangle is 27 cm, and its perimeter is 78 cm.
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