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

Xia has 16 metres of rope. She cuts off 1\6 of the rope to use as a skipping rope for a party activity. How long is Xia's skipping rope?
Paragraph I. Life, liberty, and property. No person shall be deprived of life, liberty, or property except by due process of law. Paragraph II. Protection to p
Sort the body openings that are and are not vulnerable to hiv transmission
What is the best way to determine if an activity contributes to cardiovascular fitness?
A typical serving of which food provides the most vitamin a?
Show work please help
How have presidents used their position to increase the power of the office?
Describe the procedure for creating a table or spreadsheet in a presentation slide.
Anti-virus software protects against _____. A. new programs B. errors in documents C. contagious diseases D. malware
how do i factor quadratic (i think) equations