Who wanna do a goo gle meet?
2 answers:
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Actually Welcome to the Concept of the Angle sum property of a triangle :
here, addition of all angles of triangles should be 180° , and hence,
6x = 120°
===> x = 20°
hence, option B.) is correct.
B.) (x+5) °+(3x) °+(2x+55) °=180° ; x=20°