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

What other continents directly touch Asia
factorise 2y³+y²-2y-1please tell me fast​
How can two people have completely different personalities from each other? Support your argument with logical examples from your knowledge of Allport’s’ Trait
Ella manages a cafe. One morning, she sells the following drinks 41 large coffees 4 regular hot chocolates 28 large teas A total of 9 hot chocolates A total of
Fatimah spent 1/4 of her money on 8 cookies and 2 muffins. A muffin cost three times as much as a cookie. She bought some more cookies with 2/7 of her remaining
The length of a cinema hall is 20 m and breadth is 16 m. The sum of the areas of floor and flat roof is equal to the areas of four walls. Find the height of the
Handwritten solution required
C'est quoi ressources humaines
There are 5 boys and 6 girls participating in a singing contest. What is the likelihood that a girl will win the contest?
A board with 2.3m in length must be cut so that one piece is 30cm more than the other piece . Find the length of each piece