Question

7.
2 points
In A ABC, A = 2xº,
ZB = (x + 10° and
LC (3x – 10)° then ZB = ?
=
65°
60°
40°
80°​

Answer 1

2x + x+10 +3x_10 =180 angle sum property

6x=180

x=30

b=40

answer 40 degrees