Write an expression to calculate the perimeter of an isosceles triangle if its side is b and is 3 less than its base
| June 20, 2021 | education
An isosceles triangle, by definition, has equal sides.
If one side is b, then the other is b.
The side of the triangle, according to the condition of the problem, is 3 less than its base, which means that the base is 3 more than the side and is equal to b + 3.
the perimeter of a triangle is the sum of its sides. In this case, it is equal to: b + b + b + 3 = 3b + 3.
Answer: 3b + 3.
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