Fwd: Chang, which region is larger?

A right trapezoid is partitioned into 4 triangles by its diagonals, as shown below: Problems of the Week May 15 - May 21 Basic Intermediate Advanced A right trapezoid is partitioned into 4 triangles by its diagonals, as shown above. Which colored region is larger? Solve Brilliant, 15 Butte Pl, San Francisco CA 94103 Unsubscribe from receiving Brilliant problems of the week 2-3 times per week (like this one).