Q. 15

If two angles of a triangle are 60° each, then the triangle is
A. Isosceles but not equilateral

B. Scalene

C. Equilateral

D. Right-angled

Answer :

If 2 angles of triangle is 60°


Then;


60° + 60° + x = 180°


120° + x = 180°


x = 180° - 120°


x = 60°


All angles are equal to 60°


Hence it is a equilateral triangle

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