justace57
contestada

0.360
b) 180
18. Angles whose sum is 90 degrees are
a Complementary
b. Supplementary
angles
c. Right
d. Congrue​

Respuesta :

answer: a. complementary

explanation: its not supplementary because those angles add up to be 180. it’s not right because that is a 90° angle. it’s not d because that means that two angles are the same measurement. so it had to be a