leilavellai91 leilavellai91
  • 02-03-2021
  • Mathematics
contestada

PLEASE HELP !!!

Work out the area of this semicircle.
Take a to be 3.142 and write down all of the digits given by your calculator.
11 cm​

PLEASE HELP Work out the area of this semicircleTake a to be 3142 and write down all of the digits given by your calculator11 cm class=

Respuesta :

Hrishii
Hrishii Hrishii
  • 02-03-2021

Answer:

[tex] 190.091 \: {cm}^{2} [/tex]

Step-by-step explanation:

Area of the semicircle

[tex] = \frac{1}{2} \pi {r}^{2} \\ \\ = \frac{1}{2} \times 3.142 \times {11}^{2} \\ \\ = \frac{1}{2} \times 3.142 \times 121 \\ \\ = \frac{1}{2} \times 380.182 \\ \\ = 190.091 \: {cm}^{2} [/tex]

Answer Link

Otras preguntas

chemical released by T cells for direct cell killing
How did the geography of ancient China impact it's culture?
What two systems of courts make up the judiciary of the United States?
Jeffrey is buying mulch for a circular flow garden with a diameter of 12 feet. The layer of mulch needs to be 4 inches thick. What is the volume of mulch needed
simplify: -4x^2(3x-7)
If g( n ) = 3 n - 2, then what is the value of g(10)?
Mari has a part time job. She earns $7 an hour. She makes at most $143.50 a week. What is the greatest number of hours that she works?
As compared to the english puritans who settled new england, french settlers were coursehere
why are viruses not able to make their own proteins
I NEED HELP WITH THE BOOK OF SAND DISCUSSION. CAN YOU PLEASE HELP ME.