Posted by cindy on Monday, September 14, 2009 at 7:12pm.
if you take any angle, and move the sides so the angle is 180 degrees, it makes a straight line. Look at your protractor...
http://www.mathsisfun.com/geometry/images/protractor.gif
Related Questions
6th grade math - Which expression could you use to find the measure of an angle ...
Geometry - Given: in triangle ABC, angle B= 120 degrees Prove: angle A does not...
PLEASE HELP SUE - The angle is less than 180 degrees, but more than 90 degrees...
algebra - The sum of the angles of a triangle is 180 degrees. If one angle ...
Algebra 1 - "The sum of two measures of two angles is 180 degrees. What is ...
Geometry - Angle A and Angle B are complementary andgles and the m Angle A = 58...
11th grade - Angle QRS is a straight angle. If a=2c, c=2b, and b=d/3, what are ...
8th grade Math - In a quadrilateral , angle CAB is divided into two comgruent ...
MATHH - In a triangle ABC, angle A is 2 times angles C and angle B is 20 degrees...
Physics - Find the angle that the vector R = A + B makes with the positive x ...
For Further Reading
