SOLUTION: A surveyor knows that a lot has the shape of an isosceles triangle. If the vertex angle measures 80° and each equal side is 160 feet long, what measure (in degrees) does each of t

Algebra ->  Formulas -> SOLUTION: A surveyor knows that a lot has the shape of an isosceles triangle. If the vertex angle measures 80° and each equal side is 160 feet long, what measure (in degrees) does each of t      Log On


   

Question 1192573: A surveyor knows that a lot has the shape of an isosceles triangle. If the vertex angle measures 80° and each equal side is 160 feet long, what measure (in degrees) does each of the base angles have?

Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.

The base angles are congruent, and each base angle has the measure of  %28180-80%29%2F2 = 100%2F2 = 50 degrees.

Solved,  answered and explained.


The length of the lateral side of the triangle,  given in the problem,  is   IRRELEVANT.