Question 396443


Angel {{{a}}} is 89'. Angle {{{b}}} is??

A pair of angles are complementary if the sum of their measures is {{{90}}} degrees.

complementary to angel {{{a}}} is  {{{90-89=1}}}degree

Supplementary angles are pairs of angles whose measures add up to {{{180}}} degrees. 

supplementary to angel {{{b}}} is  {{{180-89= 91}}}degree