2024 AMC 12B Problems/Problem 22

Problem 22

Let $\triangle{ABC}$ be a triangle with integer side lengths and the property that $\angle{B} = 2\angle{A}$ . What is the least possible perimeter of such a triangle?

$\textbf{(A) }13 \qquad \textbf{(B) }14 \qquad \textbf{(C) }15 \qquad \textbf{(D) }16 \qquad \textbf{(E) }17 \qquad$

Solution 1

We will use typical naming for the sides and angles of the triangle, that is $AB=$

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2024 AMC 12B Problems/Problem 22

Problem 22

Solution 1