jagrutmahendra6 jagrutmahendra6
  • 01-03-2020
  • Mathematics
contestada

calculate the total surface area of this hemisphere radius 9 give your answer in 1 decimal place ​

Respuesta :

amna04352
amna04352 amna04352
  • 01-03-2020

Answer:

763.4 units²

Step-by-step explanation:

Curved SA = 2×pi×r²

= 2×pi×9² = 162pi units²

Circular base = pi×r²

= pi×9² = 81pi units²

Total = 162pi + 81pi = 243pi units²

= 763.4070148 units²

= 763.4 units²

Answer Link

Otras preguntas

Write a report on the topic of your choice analyzing the Kennedy assassination Write a report on one of the following issues of the Kennedy assassination. 1.
Writers credit their sources for research papers in _______
How does Christianity differ from ancient Roman religion? Christianity has buildings for worship. Christianity offers salvation in the afterlife. Christianity i
help help pleasee!!.
Merlia is creating a presentation about her ethnic heritage for a homework assignment. Her friend John, a PowerPoint 2016 expert, is helping her add transitions
Please help Due in a few minutes!!!!
I need help with this question? It’s confusing to me, I don’t know what to put .
what do i do if the guy i am talking to saved a pic off of snap for no reason
Antarctica, discovered in _____, was the last continent to be discovered. A. 1820 b. 1908 c. 1920 d. 1808.
The main purpose of the passage is to: "Alas! our ships enter the port, but of a thousand sailors hardly ten are spared. We reach our homes; our kindred and our