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# Complementary Angles, Degree Measure

TRIG-GO1UBI

Given the above figure, what value for $\theta$ would prove that angle CAB is a right triangle?

A

$\theta ={ 133 }^{ o }$

B

$\theta ={ 137 }^{ o }$

C

$\theta ={ 227 }^{ o }$

D

$\theta ={ 43 }^{ o }$