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Mathematics, 30.10.2019 22:31 datboyjulio21

1.an exterior angle at the vertex of an isosceles triangle
measures 150°. find the measure, in degrees, of a base
angle of the triangle.

2.vertex angle a of isosceles triangle abc measures 70°.
what is the measure, in degrees, of an exterior angle at b?

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1.an exterior angle at the vertex of an isosceles triangle
measures 150°. find the measure, in...
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