Plane Geometry, isosceles triangle

mariouzae

New member
Joined
Oct 4, 2013
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2
Hi everyone, i'm with problems to found the angle of triangle when it's a system. The triangle is isosceles and the angle B is equal to C.
B = x + y and C = 2x + 10

How can i solve that ?

geometry.jpg

Thanks so much !

Mario
 
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