The answer to is 15 because your trying to make all of the angles add up to 90, which 45+30= 75 so then you only need 15 more to add up to 90.
Sorry dudette bdbxyusuaywvs
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Answer:
16
1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168
Answer:288pi
Step-by-step explanation:4/3pir^3 6^3*4/3*pi 216*4/3*pi 288pi