Maths-
General
Easy

Question

in triangle A B C,if A equals x plus 20 to the power of ring operator comma B with blank below equals 2 open parentheses x minus 10 to the power of ring operator close parentheses comma C C equals 3 over 2 x then triangle is ..... triangle

  1. scalene    
  2. isosceles    
  3. equilateral    
  4. right angled    

The correct answer is: isosceles

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