Attempt following question by selecting a choice to answer.
f
∠A and
∠B are vertical angles. If
m∠A = 111o, then what is
m∠B?
ff ffA.
f111
oB.
f156
oC.
f69
oD.
fNone of the above
f
A
Step 2: m∠A = m∠B[Measures of vertical angles are equal.]
Step 3: m∠A = 111o
Step 4: So, m∠B = 111o