Geometry · Area bisection · Median of a triangle · Circular segment · Axis of symmetry · Parallel lines and equal areas · Ruler and compass construction

Problem 4, 2009

NationalProof

The figure below consists of a triangle \(ABC\) together with the circular segment erected on the side \(BC\), on the opposite side of \(BC\) from \(A\).

Construct at least one straight line that divides this figure into two parts of equal area.

A B C

Sign in to check answers, open hints, read the full solution, and track your progress. Statements are always free.

Serbian National Competition (Drzavno takmicenje) 2009, high school grade I, category A, problem 4. Organized by the Mathematical Society of Serbia (DMS). Source

National problem · Geometry · Lemma