The perimeter of the triangle is 25 cm. One side of the triangle is 12 cm. The length of the second
| August 2, 2021 | education
The perimeter of the triangle is 25 cm. One side of the triangle is 12 cm. The length of the second side is one quarter of the length of the first side. Find the length of the third side of the triangle.
1. Find the length of the second side of the triangle:
12/4 = 3.
2. Let the length of the third side of the triangle be x. Then you can write the equation:
12 + 3 + x = 25;
x = 10 (cm).
Answer: 10 cm.
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