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

Hey guys, I need 5 sentences!¿Prefieres viajar en coche, en tren, en barco o en avión? ¿Por qué?
What are the advantages and disadvantages of globalization
What are the advantages and disadvantages of globalization
Hey guys, I need 5 sentences!¿Prefieres viajar en coche, en tren, en barco o en avión? ¿Por qué?
how do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
Hey guys, I need 5 sentences!¿Prefieres viajar en coche, en tren, en barco o en avión? ¿Por qué?
What are the advantages and disadvantages of globalization
What are the advantages and disadvantages of globalization
What are the advantages and disadvantages of globalization
What are the advantages and disadvantages of globalization