Question

Medal 4 help
Given the following diagram, find the missing measure.

https://media.glynlyon.com/g_geo_2013/3/page68a.gif

m ∠1 = 3x°, m ∠2 = 4x°, m ∠3 = 2x°, find x.

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Answer 1

Well how much does a triangle have to total up to?

Answer 2

you were right it must = 180.

Answer 3

You could always guess and check. by taking one of the answers and placing it in for x! Honestly its the easiest way. only one of the answers are going to make the triangle equal exactly 180