SOLUTION: what is the measure of the largest angle of a triangle if the ratio of the measures of the three angles is 1:4:5?

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Question 896924: what is the measure of the largest angle of a triangle if the ratio of the measures of the three angles is 1:4:5?
Answer by thesvw(77) About Me  (Show Source):
You can put this solution on YOUR website!
1:4:5
Sum of interior angles of a triangle = 180
The largest angle should have the highest ratio.. which is 5/10
5%2F10+=+1%2F2
%281%2F2%29%2A180+=+90 degrees.