1.- Draw a line segment (AB).
- Segment AB can be of any
measurement.
2.- First, place the center of the
protractor at point A and measure
55 degrees.
Second, place the center of the
protractor at point B and measure
35 degrees.
the angles until they intersect
(point C).
- The dotted lines indicate that if you
draw the sides to long they have
to be erased to form a perfect triangle.
find the length of angle C.
( see figure )
