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39 votes
39 votes
What is m/1?
68°
49°

What is m/1? 68° 49°-example-1
User Inetphantom
by
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1 Answer

12 votes
12 votes
All 3 interior angles in a triangle must sum up to 180.° We can apply this Theorem to create an equation:

x=measure of angle 1

68+49+x=180

117+x=180

x=180-117

x=63.

Therefore, the measure of angle 1 is 63.°

We can check our work: 117+63=180
User Vogon Jeltz
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3.1k points