in an isosceles triangle, if the measure of a base angle is 74∘, what is the measure of the vertex angle?

In an isosceles triangle the base angles would be congruent and therefore both have measures of

74°

The three angles of any triangle must add up to

180°

Therefore

74°+74°+v=180°

148°+v=180°

v=32°

V=32

Step-by-step explanation:

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