Answer:
- 16√3
- -45+15i
- √255
- 6√2 +3√10
Step-by-step explanation:
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The applicable identities are ...

The surface area of the cone will be : 169.65 so it would be answer A as 54 x pi = 169.646003
Answer:
choice d
Step-by-step explanation:
I hand this question
Multiply the length in the drawing by the scale 9 x 6 = 54cm