In the diagram given, find the value of x.
Attached Figure / Diagram
A
30o
B
40o
C
45o
D
15o
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
In the diagram above, o
(base o - (15 + 15)o
= 180o - 30o = 150o
But x + 110o = 150o
(Sum of opp. interior o - 110o = 40o
Source: Myschool Past Questions Archive (Record #33152)