9th-Grade-Math---USA
Congruent-Triangles
Easy

Question

If the measures of angles in a triangle are (2x – 3)o, xo, (3x – 6)o, then the least angle is

  1. 88.5o
  2. 60o
  3. 31.5o
  4. 87.25o

The correct answer is: 31.5o

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text  In  end text capital delta ABC if straight m angle straight A equals left parenthesis 2 straight a plus 5 right parenthesis to the power of straight o comma straight m angle straight B equals left parenthesis 3 straight a minus 15 right parenthesis to the power of straight o comma straight m angle straight C equals 60 to the power of straight o, then the value a is

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