Question

Find the best approximation of the surface area of this right cone.


792 cm^2

566 cm^2

4070 cm^2

1020 cm^2

Explain how you got the answer please~

Answer 1

\[A=\pi r \sqrt{r^2+h^2}\]

Answer 2

Plug in r = 12 and h = 9

Answer 3

do u want the total surface are including the base and the curved area or just the curved area???

Answer 4

Just the surface area

Answer 5

the formula is pi*radius*slant hieght
pi*12*15
pi*180
3.14*180
565.5cm^2
ans 566cm^2

Answer 6

Thanks a lot

Answer 7

welcome\

Answer 8

I HAVE MORE