iran-konkur 2020 Q141

iran-konkur · Other · konkur-riazi_1399_specialized_old-curriculum Solving quadratics and applications Geometric or real-world application leading to a quadratic equation
141- The side lengths of a right triangle are $x+1$, $2x+1$, and $2x+3$. The area of the triangle is:
\[ (1)\quad 60 \qquad (2)\quad 56 \qquad (3)\quad 45 \qquad (4)\quad 39 \]
\textbf{141-} The side lengths of a right triangle are $x+1$, $2x+1$, and $2x+3$. The area of the triangle is:

\[
(1)\quad 60 \qquad (2)\quad 56 \qquad (3)\quad 45 \qquad (4)\quad 39
\]