mandy9386
mandy9386 mandy9386
  • 02-02-2019
  • Mathematics
contestada

what is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Respuesta :

jdoe0001 jdoe0001
  • 02-02-2019

[tex]\bf \textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=4 \end{cases}\implies A=\pi 4^2\implies A=16\pi \implies \stackrel{\pi =3.14}{A=50.24}[/tex]

Answer Link

Otras preguntas

Given that angle a = 45°, work out x. The diagram is not drawn accurately.
__KNO, + _H2CO3 - _K_CO, +_HNO, -
Whst is the solution to the system of equations 6x - 2y = -14 4x - 3y = -31
The common characteristic of Alveolata is:_____. a. funnel-shaped, contractile collar. b. silica covering. c. a single, unique mitochondria. d. a layer of
Which choice is equivalent to the expression below? 3^7.869 A. 37.386/10.39/100 B. 37+ 8/10 + 6/10 + 9/1000 C. 37. 38/10. 36/100. 39/1000 D. 37+ 38/10 + 36/100
How did America win the first world war?
A very long half-cylinder of radius r carries a total current is uniformly distributed across the circumference. Determine the magnetic field along the central
Which statement about the Sun’s path is true? 1. The Sun’s path varies with the seasons 2. The midpoint of the Sun’s path is the zenith 3. The angle of the Sun
The chart shows the gross domestic product of the United States from 1925 to 1939. According to the chart, in which years did the US economy suffer the most? 19
Job african americans held during the harlem reniassnce.