One of the sides of the triangle is x cm, and each of the others is -3 cm. Write down the perimeter
| January 6, 2021 | education
One of the sides of the triangle is x cm, and each of the others is -3 cm. Write down the perimeter of the triangle in different expressions.
The perimeter of a triangle (P) is equal to the sum of the lengths of all its sides:
P = a + b + c, where a, b, c are the sides of the triangle.
By the condition of the problem, a = x cm, b = c = 3 cm.
Let’s write down the formulas for finding the perimeter of a given triangle:
1) P = x + 3 + 3 (cm),
2) P = x + 3 * 2 (cm).
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