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Geometry 18 Online
OpenStudy (anonymous):

angle abc is isosceles with rs=rt. if measure of angle R=40 then find Measure of angle s

OpenStudy (anonymous):

rs = rt 40s = 40t s=t All triangles measure 180 degrees. 180-40 = 140. Isosceles triangles have 2 matching angles, s & t. 140/2 = 70 s=70 t=70

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