98.5k views
5 votes
Hii i have to retake this test and i have no idea if im getting this right, can someone help me out please????

here is the question:

The volume of this cylinder is approximately 12,468.94 cubic feet.

The radius is ___ feet.

Use ​ ≈ 3.14.

image is also pasted

Hii i have to retake this test and i have no idea if im getting this right, can someone-example-1
User Plexer
by
8.2k points

2 Answers

1 vote

Answer:

r=19

Explanation:


12468.94 = (3.14) {r}^(2) (11) \\ (12468.94)/(34.54) = \frac{34.54 {r}^(2) }{34.54} \\ √(361) = \sqrt{ {r}^(2) } \\ 19 = r

User Scott Markwell
by
8.2k points
3 votes

Answer:

radius = 19 ft

Explanation:

volume of a cylinder: r²πh

12468.94 = r²π × 11

=> r² = 12468.94 ÷ 11π

=> r² = 361

=> r = 19

User Colin Superdog
by
8.4k 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