SOLUTION: _ _ DO and GO are tangents to a circle. Points D and G are the points of tangency, If m < DOG = 20, what is the measure of m < ODG (make your own sketch)

Algebra ->  Circles -> SOLUTION: _ _ DO and GO are tangents to a circle. Points D and G are the points of tangency, If m < DOG = 20, what is the measure of m < ODG (make your own sketch)      Log On


   

Question 1084196: _ _
DO and GO are tangents to a circle. Points D and G are the points of tangency, If m < DOG = 20, what is the measure of m < ODG (make your own sketch)
Answer by ikleyn(52903) About Me  (Show Source):
You can put this solution on YOUR website!
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Answer. %28180-20%29%2F2 = 80 degrees.

Solution 

You have an isosceles triangle with the angle at the vertex of 20 degrees.


Then the angle at the base is  %28180-20%29%2F2 = 80 degrees.