Angles in linear pair measure of one angle is 70° .Find the measure of anoter angle.
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Linear angles always form a line—that is, they form 180° , or a straight angle.
Therefore, the angle in the linear pair with the 70°angle must have a combined sum with the 70°angle of 180° .
We can write this as 70˚+x˚=180˚ , where
x˚ is the measurement of the other angle in the linear pair.
If we take the equation and subtract 70° from both sides, we see that x°=110°,which is the measure of the second angle.
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