The length of one side of the triangle is 12 cm and the second is 8 cm less than the length of the third

univerkov | June 14, 2021 | education

The length of one side of the triangle is 12 cm and the second is 8 cm less than the length of the third side is equal to half the sum of the two sides, find its length.

1. Determine the length of the second side of the triangle if it is 8 cm less than the first side, and the first side is 12 cm:

12 – 8 = 4 cm.

2. Determine the sum of the two sides of the triangle, if the first side is 12 cm, and the second is 4 cm:

12 + 4 = 16 cm.

3. Determine the length of the third side of the triangle if it is equal to half the sum of the first two sides of the triangle:

16: 2 = 8 cm.

Answer: the length of the third side of the triangle is 8 cm.

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