Math In Action

Problem Of the Week 13

The altitude of the triangle below is divided into four equal lengths by the three segments parallel to BC. Given that the area of the shaded region is 25, what is the area of the triangle?

Problem Of the Week 12

Problem Of the Week 11

What is the area of the shaded region below? There are four unit circles aligned two by two, with a unit circle space in the center.

Problem Of the Week 10

Problem Of the Week 8

The radius of the larger circle is 1 unit. What is the area of the smaller circle?

Problem Of the Week 7