if the angle of a triangle are in the ratio 7:11:18,find the angle
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The sum of the angles in a triangle is 180. Since the ratio of the angles is 2:3:5 their measurements are 2x, 3x, and 5x. When you add them together you will get 180. So... 2x+3x+5x=180 10x+180 x=18 Since x=18 the measure of the angles are 2x=36 3x=54 5x=90 Since one of the angles is 90 we know that the triangle is a RIGHT triangle.
If you mean the ratio of 2,4,6 then the angles are 30 degrees, 60 degrees and 90 degree which in effect is a right angle triangle.
If two angles in a triangle are congruent to two angles in another triangle, then the ______________ angles are also congruent.
45, 45 and 90 degrees
A triangle with 3 acute angles is an acute triangle. All the angles in an acute triangle are acute.