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Question

The measure of the third angle of the triangle. ( in degrees )
$40^{\circ}, 75^{\circ},$ is $65^{\circ}$ .( Enter 1 if true or 0 otherwise)

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Solution

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Given two angles of the triangle, $40^{\circ}, 75^{\circ}$
Let the third angle be $x$
Sum of the angles = 180
$40 + 75 + x = 180$
$x = 65$
Third angle = $65^{\circ}$

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