Question

in the figure, m∠abd = 156. what is m∠abc? m∠abc =

Explanation:

Step1: Recall angle - addition property

$\angle ABD=\angle ABC+\angle CBD$

Step2: Rearrange the formula

$\angle ABC=\angle ABD - \angle CBD$

Step3: Substitute the given values

$\angle ABC = 156^{\circ}-32^{\circ}=124^{\circ}$

Answer:

$124^{\circ}$