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

In 1968,the estimated population of the world was 3,559,028,982 people.When this number is written in expanded form using exponents,one power of 10 would not be
In which form of government do delegates speak on behalf of citizens? popular sovereignty authoritarian monarchy representative totalitarian
help!!!! 1. A material that can be hit without shattering is? viscous, flammable, hard, malleable 2. At room temp., a substance with a melting point of 40% C is
Leslie mosallam, who recently sold her porches, placed $10,000 in savings account paying annual compound interest of 6 percent.Calculate the amount of money tha
The range of the function f(k) = k2 + 2k + 1 is {25, 64}. What is the function’s domain?
what is the historical circumstance for the third amendment?
4. What are some of the things scientists might do to analyze data?
Many of the people who have come to Mexico City have ended up living in areas _____.
Amphibians can breathe through their skin. True False
Which are characteristics of trade in ancient Egypt? Choose all answers that are correct. A. Egypt had its own silver and gem mining. B. Traders came and went u