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Natalia measured the angles of a triangle. Two of the angles mesured 20° each. What was the measure of the third angle of Natalia's triangle?A.) 50°B.) 140°C.) 180°D.) 20°

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The total angle of a triangle is equals to 180 degree. The triangle has 3 angles. we were given 2 angles as 20 degree each and asked to find the last angle. The last angle can be found below


\begin{gathered} 180-20-20\text{ =x} \\ x=180-40 \\ x=140^(\circ) \end{gathered}

The last angle is 140 degrees.

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