110k views
21 votes
PLEASE HELP asap. Thank you so much to anyone that helps:)

PLEASE HELP asap. Thank you so much to anyone that helps:)-example-1

2 Answers

6 votes

Answer:

398.5

Explanation:

a (surface area) = 2πrh + 2π
r^(2)

r (radius) = 8.4/2

r = 2.4

a = 2π (4.2 x 10.9) + 2π (4.2 x 4.2)

a = 2π x 45.78 + 2π x 17.64

a = 287.64 + 110.83

a = 398.5

User Andreas Jarbol
by
7.9k points
9 votes

to find radius; 8.4/2,

  1. therefore 2×22/7×8.4/2×10.9=1079.76

User Chetan Kumar
by
8.2k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories