Homework Help: Math

Posted by Corie on Wednesday, February 6, 2013 at 8:41am.

The measures of the angles of a triangle are in the extended ratio 2 : 2: 8. What is the measure of the smallest angle?

can someone pretty please show me how to do this?

Math - Reiny, Wednesday, February 6, 2013 at 11:31am
let the angles be 2x, 2x, and 8x

2x + 2x + 8x = 180
12x = 180
x = 15

so the angles are 30, 30 , and 120°
of course the smallest angle would be 30°

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