the measure of the value a is 24°
What is are of triangle?
The territory included by a triangle's sides is referred to as its area. Depending on the length of the sides and the internal angles, a triangle's area changes from one triangle to another. Square units like m2, cm2, and in2 are used to express the area of a triangle.
The sum of all angles of triangle = 180
Here given 3 angles are 2a, 3a and a+36°
So the sum of all the angles should be 180°
⇒2a+ 3a +a+36° = 180
⇒6a = 180-36
⇒a = 144/6= 24
Hence the measure of the value a is 24°
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