The length of the first side of the triangle is 12 cm. The second is 4 cm less, the length of the third side is equal

univerkov | March 19, 2021 | education

The length of the first side of the triangle is 12 cm. The second is 4 cm less, the length of the third side is equal to the length of the first and second sides. What is the length of the third side?

1) 12 – 4 = 8 centimeters – the length of the second side of the triangle, as the second side is 4 centimeters less than the length of the first side of the triangle;
2) 8 + 12 = 20 centimeters – the sum of the lengths of the two sides of the triangle and this is the length of the third side.
Answer: The length of the third side of the triangle is 20 centimeters.

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