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Triangle Word Problem : Find the size of an angle.

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A triangle has one angle twice the size of the first angle and another the size of the first angle plus 50. What size is the first angle?

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The size of an angle is found The solution is detailed and well presented. The response received a rating of "5" from the student who originally posted the question.

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Let's call the three angles a, b, and c. We can then rewrite your problem as:

b=2a
c=a+50

Since all triangles have a total of ...

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