The perimeter of a triangle is 78 cm, one of its sides is 16 cm, the second is 17 more than the first find the length of the third side.
| February 13, 2021 | education
Find the length of the second side of the triangle, which is 17 cm longer than the first side:
16 + 17 = 33 cm;
Find the length of the third side by subtracting the lengths of the already known two sides from the perimeter of the triangle:
78 – 16 – 33 = 29 cm;
Answer: The length of the third side is 29 cm.
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