Answer:
18
Step-by-step explanation:
volume of cone=πr²*h/3
21/3=7, 3.14*7=21.98,1780.38/21.98=81,square root of 81=9,9+9+18
Answer
-45 I hope this helps :)
Step-by-step explanation:
Answer:hmm
Step-by-step explanation:
D would be the correct answer. Since angle W and angle Z form a straight line, they are supplementary angles. Supplementary angle add up to make 180°, which is what D states.
A doesn't make sense.
If B was true, then the angles would be complementary (adding up to 90°). They form a straight line, though, so it's incorrect.
C is wrong for reasons aforementioned.