Find\[\angle g\].
A) \[{{42}^{o}}\]
B) \[{{48}^{o}}\]
C) \[{{62}^{o}}\]
D) \[{{69}^{o}}\]
Correct Answer: A
Solution :
In a quadrilateral, the sum of all the angles is\[{{360}^{o}}\]. So, \[\angle g={{360}^{o}}-{{138}^{o}}-{{90}^{o}}-{{90}^{o}}\] \[={{360}^{o}}-{{318}^{o}}={{42}^{o}}\]
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