Interior Angles of a Triangle
Measure the size of angles A, B, C.
What is the sum of the angles? A + B + C =
Move the points around to change the shape of the triangle. What do you notice about the sum of the interior angles (A+B+C)?
What is the sum of the angles? A + B + C =
Move the points around to change the shape of the triangle. What do you notice about the sum of the interior angles (A+B+C)?