The concept of an isosceles triangle, the angle sum of a triangle, and a vertically opposite angle is used to solve the problem. Then the measure of angle ∠2 is 50°.
What is an angle?
The angle is the distance between the intersecting lines or surfaces. The angle is also expressed in degrees. The angle is 360 degrees for one complete spin.
Vertically opposite angle - When two lines intersect, then their opposite angles are equal.
We know that the sum of the angles of the triangle is 180 degrees.
And we know that in an isosceles triangle, two sides are equal angles their opposite angles too.
The measure of angle ∠2 is 50°.
The figure is given below.
More about the angled link is given below.
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