Description

Explanation & Answer

16. Minor Arc, 75. 180-75-30=75
18. Major Arc, 255. 180+75=255
20. Semicircle, 180. Semicircles are always 180 degrees.
22. 25 degrees. B bisects arc AD, which equals 50. So, BD = 25.
24. 205 degrees. AE = 180, as that line is the diameter, and thus a semicircle. 25+180 = 205.
Hope this helps!
