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In a triangle with angles measuring a, b and c degrees, the mean of b and c is a. What is the

value of a?

1 Answer

2 votes

Answer:

60

Explanation:


a+b+c=180\\(b+c)/(2)=a \rightarrow b+c=2a\\\\a+2a=180\\3a=180\\a=60

Therefore, the value of a is 60 degrees

User Viktor Tabori
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