Now, more than 122 years after it was first proposed, Kamata and two other mathematicians have finally proved that a solution ...

For over a century, a simple yet tricky math problem had continued to baffle experts. Mathematicians struggled to find the fewest number of pieces needed to cut an equilateral triangle and ...

225 + 135 = 360 The sum of interior angles in a triangle is 180˚. In an equilateral triangle, all three angles are equal to 60˚. To find the missing angles in an equilateral triangle ...

Image caption, The angles in the triangle you drew all add up to 180°. Remember, all angles on a straight line add up to 180°. The three angles in an equilateral triangle are equal and they add ...