paulmerlo732
paulmerlo732 paulmerlo732
  • 11-04-2018
  • Mathematics
contestada

please help im so confused?

please help im so confused class=

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 11-04-2018
surface area =  PI x rL + PI x r^2

since the answer is in terms of PI, remove PI from the equation:

surface are = rl +r^2

r = 3 and l = 15

3*15 + 3^2 = 45 +9 = 54

answer is 54PI units^2

Answer is C

Answer Link

Otras preguntas

The following two quotes are accounts of indigenous leaders in the Americas. The first is about the Aztec emperor. The second is about the Incan ruler. Use thes
What is the cost of using nonrenewable energy? A. Greenhouse gases B. Less water pollution C. Sustainable energy D. Costs more money
What would have changed in america if the federal government choose to annex cuba as it did puerto rico?
Does the data in the table represent a direct variation or an inverse variation? Write an equation to model the data in the table. (x) 1 l 2 l 5 l 10 (y) 40 l
Solve the following system by graphing and identify the point of intersection
When population growth increases in an area , what is happening to the birth rate and age structure of that population?
the standard deviation of a population is known to be 7.8. if the population size is 85, what is the standard error of the mean? A. 0.22 B. 0.85 C. 1.047 D. 6.0
Most controversial method of genetic engineering
What is the solution of 3√x + 8=-4
no countries in east or Central Asia fall into the category of