Answer:
1: CD and BC
2: CE and AC
3: AE , AB , BD, DE
4: AD and BE
There you go!
1) COB and DOC
2) EOC and AOC
3) AOB, AOE, EOD, and BOD
4) BOE and AOD
Step-by-step explanation:
An acute angle less than 90 degrees
An obtuse more than 90 degrees
A right angle is 90 degrees
A straight angle is a 180 degrees
8
x+x+7=23
2x=16
x=8
60
