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Alenkinab [10]
3 years ago
8

For any triangle, the sum of the measure of the three angles equals 180 degrees. Two of the angles have the same measure,a,and t

he third angle measures 45 degrees. Which of the following equations could be used to determine the measure of a?
Mathematics
1 answer:
vivado [14]3 years ago
8 0
45+2a=180. You should always try to write down an equation for problems like these. Subtract the 45 to both sides of the equal sign. This gets you 2a=135. Divide the 2 on both sides and you get a=67.5 degrees. I hope that i helped, enjoy

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