gabr1iepaPretts gabr1iepaPretts
  • 25-11-2016
  • Mathematics
contestada

the circumference of a circle is 12 pi inches. find its radius and area the radius of the circle is____in
the area of the circle is _____in^2

Respuesta :

MissPhiladelphia
MissPhiladelphia MissPhiladelphia
  • 25-11-2016
The circumference of a circle has the formula: 2*pi*r. So, we could easily determine the value of r.

C = 2*pi*r
12*pi = 2*pi*r
12 = 2r
r = 12/2
r = 6 inches

Knowing the r, we could find the area which has the formula

A = pi*r^2
A = pi*6^2
A = 113.1 square inches
Answer Link

Otras preguntas

Which scenario describes a way that an abiotic factor can impact a marine system? Liquid water turning into solid ice encourages animal hibernations. Predation
Plate divergence is best described as a/an _______ process.
Which of the following statements is an accurate combination of postulates 1 and 2 of natural selection? Heritable variation exists for traits among individuals
explain 3 ways the population size of several countries in East Asia has impacted its use of land
What are the benefits of showing a person respect
After World War I, Americans desired _____. a return to normalcy and isolationism a stronger foreign policy toward Europe aggressive Progressive reforms
Executive: "We recently ran a set of advertisements in the print version of a travel magazine and on that magazine’s website. We were unable to get any direct i
(01.07, 2.01) Which of the following describes the correct process for solving the equation 2x − 6 = 22 and arrives at the correct solution? Divide both side
Help with this question, please!!
A fact is something that has been proven to be true. True False i am in a test :/