Question 683975


Complementary angles are two acute angles that add up to {{{90}}}°. 

a.

for {{{78}}}° complementary angle will be {{{90-78=12}}}°


b.

for angle {{{11}}}° complementary angle will be {{{90-11=79}}}°
c.

for angle {{{A }}}° complementary angle will be {{{90-A}}}°

d.

for angle {{{90}}}° complementary angle will be {{{A=0}}}°
e.

{{{30 + B=90}}}°......=>..... {{{B=90-30}}}°..=>..... {{{B=60}}}°