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Find the degree measure of either of the exterior angles formed by extending the base of an isosceles triangle if the vertex angle of the triangle measures 120°.​

Respuesta :

VanillaCoco

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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