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Mathematics 21 Online
OpenStudy (jasbe):

What is the measure of angle C if angle A measures 48 degrees in the isosceles triangle ABC?

OpenStudy (jasbe):

OpenStudy (jasbe):

48 degrees 66 degrees 80 degrees 84 degrees

OpenStudy (mjdennis):

What does "isosceles" tell you about angle A and angle B?

OpenStudy (jasbe):

@mjdennis the sides are congruent.

OpenStudy (mjdennis):

That is true, two sides are congruent, and is what the little marks on the sides mean. What about the two angles that are opposite the sides? Angle A and Angle B. There is something you should know about those two, because the triangle is isosceles.

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