The sum of the interior angles of<span> a </span>triangle<span> are equal to 180</span>o<span>. To </span>find the third angle of a triangle<span> when the other two </span>angles<span> are known subtract the number of degrees in the other two </span>angles<span> from 180</span><span>o</span>
Isolate the variable by dividing each side by the factor that don’t contain the variable.
Answer: t < -1
I think the answer is D because you have to move the decimal three times anyway, then you only need to add seven more zeroes to make it correct (in my opinion).