Prove that sum of three angles of a triangle is 180". Using this result, find the value of x and all the three
angles of a triangle, if it is given that three angles of triangle are (2x - 7)", (x + 25)" and (8x +12)
respectively.
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A right triangle has one 90o angle. If a triangle is neither isosceles nor right, we will call it a generic triangle. A piece of trivia that is true for all triangles: The sum of the three angles of any triangle is equal to 180 degrees.
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