Math
posted by Kurgi .
The measures of the angles of a triangle are in the ratio 1:2:3. Find half the measure of the largest angle?

Math 
Reiny
let the angles be x, 2x, and 3x
x+2x+3x=180
x=30
So the largest is 3(30) = 90
and half of that is 45 degrees.
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