Find the degree measure of either of the exterior angles formed by extending the base of an isosceles triangle if the vertex ang
le of the triangle measures 120°.
1 answer:
Answer:
the exterior angle of the vertex: 60 degrees
the interior base angles: 30 degrees
the exterior angles of the bases: 150 degrees
Step-by-step explanation:
every straight angle is equal to 180 degrees and all the angles of the inside of a triangle is 180 degrees
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