jakeryan1580 jakeryan1580
  • 11-12-2015
  • Mathematics
contestada

The radius of a circle is 12 inches. Using the formula A ≈ 3r2, what is the approximate area of the circle? 432 in2.

Respuesta :

Trim
Trim Trim
  • 11-12-2015
Area = 3 x r^2 (r squared)

= 3 x 12 x 12 = 3 x 144 = 432 sq inches
Answer Link

Otras preguntas

What is the best definition of a slant? Someone's opinion that is unfounded. An authors blas for or against something. An inappropriate source of information th
a gram is what fraction of a kilogram
with is greater 5.6 or 5.06 and why
The process of governing and making rules to live by is called: civics economics politics
Where did Marco Polo travel during his lifetime, and what were his goals?
How can a obtuse angle be classified
How did the war in Vietnam eventually end? A. Russian troops entered the war and defeated the Vietnamese. B. The North Vietnamese surrendered to the South Vie
what is the difference when 2x^3+x-5 is subtracted from 6x^3-x-^2+4x+8?
Cube two different numbers
The height of a cone-shaped statue is 9 ft, and the diameter is 12 ft. What is the volume of the statue? Use 3.14 to approximate pi, and express your final answ