The perimeter of the triangle is 62cm. The length of one side is 18 cm, the other is 21 cm. Find the length of the third side.
| September 16, 2021 | education
Let’s find out how many centimeters the total length of the two known sides of the triangle will be equal to:
21 + 18 = 39.
Let’s find out how many centimeters the third side will be equal to if the perimeter of the figure is 62 centimeters:
62 – 39 = 23.
Answer: 23 centimeters.
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