The sum of the measures of two exterior angles of a triangle is 254.?

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What is the measure of the third exterior angle?

2007-12-03 05:39:06 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

The exterior angles of any convex polygon always add up to 360...

2007-12-03 05:42:32 · answer #1 · answered by Puzzling 7 · 1⤊ 0⤋

the sum of the measures of the 2 angles is 360-254=106
so the third angle is 180-106=74
that means that the third exterior angle is 360-74=286

2007-12-03 13:49:14 · answer #2 · answered by Oana 3 · 0⤊ 0⤋