MathDB

Q2 - Hanoi Open Mathematical Olympiad 2012 - Junior Section

Source:

June 10, 2012

geometryratio

Problem Statement

Q2. Let be given a parallegogram

ABCD

with the area of

12 \ \text{cm}^2

. The line through

A

and the midpoint

M

BC

mects

BD

N.

Compute the area of the quadrilateral

MNDC.

(A) \; 4 \text{cm}^2; \qquad (B) \; 5 \text{cm}^2; \qquad (C ) \; 6 \text{cm}^2; \qquad (D) \; 7 \text{cm}^2; \qquad (E) \; \text{None of the above.}