Resulting 4446

A square with a side length of 3 cm rotates around its diagonal. Calculate the volume and surface area of ​​the resulting body

Correct answer:

V =  19.993 cm3
S =  39.9859 cm2

Step-by-step explanation:

a=3 cm  u=2 a=2 3=3 2 cm4.2426 cm r=u/2=4.2426/22.1213 cm  S1=π r2=3.1416 2.1213214.1372 cm2 V1=S1 r/3=14.1372 2.1213/39.9965 cm3  V=2 V1=2 9.9965=19.993 cm3
s=a=3 cm S2=π r s=3.1416 2.1213 319.993 cm2 S=2 S2=2 19.993=39.9859 cm2



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Tip: Our volume units converter will help you convert volume units.

You need to know the following knowledge to solve this word math problem:


 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: