a + 6 0 + 40 = 180
a = 180 - 100
a = 80 degree
Written on Aug. 28, 2021, 10:26 p.m.
-
Answer of this question
Question asked on teachoo
（2nd ka answer ） a + b + c = 180
a + 6 0 + 40 = 180
a = 180 - 100
a = 80 degree
Comment