two angles of a triangle are 45 degre and 30 degree find thirth angle what type of triange is this?
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Sum of angles of a triangle = 180 degree
Here 45 + 30 + X = 180
75 + X = 180
X = 180 - 75
X = 105 degree
Now all angles are different ( 45, 30, 105) so it is a Scalene triangle.
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