Answer:
cos -60° =
,
cos 660° = 
Step-by-step explanation:
hope it helps
Answer:
8 pieces/$2.00
6 pieces/$1.50
Step-by-step explanation:
Answer:
1.5
18 and 33
Step-by-step explanation:2.
c
Answer:
3
Step-by-step explanation:
2 / (2/3) = 2 * 3/2 = 6/2 = 3
Answer:
A.
Step-by-step explanation:
Surface area of the original cone
When, radius is quadrupled and slant height is reduced to one sixth
Plug the above values of r and
in equation (1), new surface area becomes:
