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

Kate ate 1/4 of her orange. Ben ate 2/4 of his banana. Did Kate and Ben eat 1/4 + 2/4 = 3/4 of their fruit? Explain
On a number line, graph two different points that have the same absolute value.
at which position does the diver have the most gravitational potential energy
why must menstruation of the female stop during pregnancy?
5 eights greater than 2 thirds
the weather behind a cold front is dominated by which of the following?
How much is pollution control estimated to increase the cost of production in the United States?
Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule. A(n)=-6+(n-1)(6) A. 0, 18, 54 B. –6, 18, 54 C. 6, 18, 54
The area of the top of a rectangular table is 323 sq feet. If the length of the table is 19 feet, what is the width of the table? Show work
One angle measures 54 more degrees than 3 times another angle. The angles are supplementary. What are their measures?