Question 710438


 if < {{{C}}} and < {{{D}}} are supplementary they  add up to {{{180}}} degrees

and, if the measure of < {{{D=97}}}, then the measure of < {{{C}}} will be:

{{{C+D=180}}}

{{{C+97=180}}}

{{{C=180-97}}}

{{{C=83}}}