Skip to content / Đến nội dung
ThichHocToan.com

MathNet 2003 — Part 01 Question 46

Math Olympiad Vault · MathNet 2003 — Part 01

Question 46

In the triangle $ABC$ let $M$ on the side $AB$ such that $AM = 2BM$ and $N$ be the midpoint of the side $BC$.
We denote $O$ to the intersection point of $AN$ and $CM$. If the area of ​​the triangle $ABC$ is equal to $30$, calculate the area of ​​the quadrilateral $MBNO$.