Question

The cone shown has a radius of 5 feet and a slant height of 8 feet. Which choice is closest to the total surface area? Use 3.14 to approximate pi.
MEDAL REWARDED!!

Answer 1

A) 126
B) 209
C) 204
D) 628

Answer 2

@jigglypuff314

Answer 3

pi*r^2 + pi*r*s

3.14*5^2 + 3.14*5*8

You can simplify that. Remember order of operations of course.

Answer 4

Okay

Answer 5

C!

Answer 6

Can you help me with this one?

Answer 7

Thanks!

Answer 8

Sure.

Answer 9

The cone shown has a diameter of 12 centimeters and a slant height of 8 centimeters. Which choice is closest to the total surface area? Use 3.14 to approximate pi.

Answer 10

A)151
B)301
C)264
D)754

Answer 11

Formula is pi*r^2 + pi*r*s.

r=12/2=6
s=8

3.14*6^2 + 3.14*6*8

Answer 12

Thanks!

Answer 13

C!