Answer:
Note: If the polygon is a triangle, the sum of interior angles is always 180°.
Let x be the measure of the third angle.
x + 19° + 98° = 180°
x = 63°
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Answers & Comments
Answer:
Note: If the polygon is a triangle, the sum of interior angles is always 180°.
Let x be the measure of the third angle.
x + 19° + 98° = 180°
x = 63°
just subtract them from 180°