jbrown5689 jbrown5689
  • 13-11-2019
  • Mathematics
contestada

Calculate the area of a circle with a diameter of 12 cm​

Respuesta :

jdoe0001 jdoe0001
  • 13-11-2019

we know its diameter is 12, thus its radius must be half that, or 6.

[tex]\bf \textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=6 \end{cases}\implies A=\pi 6^2\implies A=36\pi \implies A\approx 113.097[/tex]

Answer Link

Otras preguntas

What is the full definition of "Joke"
In nearly all criminal cases, this must be unanimous. a. sentencing c. punishment b. verdict d. plea bargaining
( True or False) the caucus system of choosing candidates for office allows more people to participate in the selection of candidates
what is the study of the geographic distribution of organisms
Bernoulli's principle states that pressure on a fluid is transmitted through the fluid undiminished and acts equally on all points. a. True b. False
From what country did the United States purchase Alaska?
Based on the contextual information provided about the Regency Era and the excerpt from Jane Austen's Pride and Prejudice, why is Mrs. Bennet eager for one of h
A mirror with a flat surface is a A. plane mirror. B. convex mirror. C. concave mirror. D. virtual mirror.
Who expressed particles by wave equations?
Based on the contextual information provided about the Regency Era and the excerpt from Jane Austen's Pride and Prejudice, why is Mrs. Bennet eager for one of h