# Geometry

Can you define an isosceles triangle, cause I'm haivng trouble remembering all the characteristics of one?
Thanks.

Think of base angles being the same measure and 2 sides congruent.

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1. The following are angles in a convex quadrilateral:
Angle A = 78 degrees
Angle B = 121 degrees
Angle C = 99 degrees
What is the measure of the missing angle?

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posted by Anonymous

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