Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions

The dice of the internal and external surfaces to hollow hemispherical shell are 60 and 10 cm respectively it is melted and recast into a solid cone of

diameter 14 cm, find the height of the cone




This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Volume of hollow hemisphere = Volume of cone

 \frac{2}{3}  \pi (R³-r³) =  \frac{1}{3}  \pi r² h

(cancelling 1/3 and π)
2(216000-1000) = 7 * 7 * h
2 * 215000 = 49 h
h = 8775.5 cm
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts