A) \[57{}^\circ \]
B) \[69{}^\circ \]
C) \[77{}^\circ \]
D) \[87{}^\circ \]
Correct Answer: B
Solution :
\[{{x}^{o}}+{{(24-27)}^{o}}={{180}^{o}}\] \[3x-{{27}^{o}}={{180}^{o}}\] \[3x={{180}^{o}}+27\] \[x=\frac{207}{3}={{69}^{o}}\]You need to login to perform this action.
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