Answer:
Option A. 
Step-by-step explanation:
we know that
The lateral area of a cone is equal to

we have


substitute and solve for l (slant height)

simplify


I think it’s 3
i multiplied .2222 times 18
Value of y= 18 and value of x= 9 root3
therefore answer is D
Answer:
5
Step-by-step explanation:
3+2x=5x
3=3x
x=1
PR=5
I believe that the answer to the equation is 10