If one angle of a triangle is equal to the same of the othe two show that the triangle is a right triangle
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Let the angles be x, y, and z.
By given condition, x=y+z.
Also, x+y+z=180.
Or, x+x=180
Or, 2x=180 and x=90.
Therefore in triangle xyz, x is 90 so xyz is right angled triangle.
Hope this helped.:)
By given condition, x=y+z.
Also, x+y+z=180.
Or, x+x=180
Or, 2x=180 and x=90.
Therefore in triangle xyz, x is 90 so xyz is right angled triangle.
Hope this helped.:)
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