A triangle and a square have the same perimeter; the sides of the square are 3 cm.
| August 8, 2021 | education
A triangle and a square have the same perimeter; the sides of the square are 3 cm. What is the length of the sides of the triangle?
The formula for the perimeter of a square is: P1 = 4 * a, where a is the side of the square.
Equilateral triangle perimeter formula: P2 = 3 * b, where b is the side of the triangle.
By the condition of the problem, P1 = P2, that is, 4 * a = 3 * b.
Let us express the side of the triangle from here: b = 4 * a / 3 = 4 * 3 cm / 3 = 4 cm.
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