Investigate On Your Own: Vertical Angles

Author:
cpotter
Topic:
Angles
Draw three different sized letter x. Use line segments to make your x. Add a point "intersect" to the middle of your x. and the angle measuring tool.

Measure the vertical angles. Remember you need three points to measure an angle. Be sure the vertex is the middle point! What do you notice?

What do you notice about the angles that are adjacent?