steeepgcYil steeepgcYil

25-09-2016
Mathematics

contestada

find the circumference and area of a circle with diameter of 21 inches

Respuesta :

mpanderla95 mpanderla95

25-09-2016

To solve for the circumference and the area of a circle, first you must determine the radius.

D = 21 inches
R = 1/2D = 1/2(21) = 10.5 inches.

C = 2pi • r
C = 2(3.14) • 10.5 inches
C = 65.97 inches.

A = Pi • r ^2
A = (3.14) • 10.5^2
A = 346.185 in^2.

The area of a circle is 346.185 in^2.

Answer Link

Otras preguntas

an aircraft is spotted by two observers who are 1000 feet apart.as the airplane passes over the line joining them, each observer takes a sighting of the angle o

Multicellular organisms generally utilize more complex gene regulation than unicellular organisms via mechanisms that include?.

the large agricultural valley in western oregon, which was the primary destination for early settlers coming to the region via the oregon trail, is called what?

according to piaget, in which learning process do we place a new experience into an existing schema? group of answer choices

x86 assembly loop through a sequence of characters in a string and swap them such that the end result is the original string in reverse

The average high temperatures in degrees for a city are listed. 58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57 If a value of 101° is added to the data, how d

fermentation produces more atp molecules than aerobic respiration does. question 3 options: true false

why is hamlet considered by some to be a problem play? select all that apply. it contains sinful behavior in most of the scenes. it contains somber and humorous

you receive a full-price offer within one day for a new listing. your seller is concerned the home was under priced. how should you respond?

approximately of wholesale euro bank external liabilities come from fixed time deposits, the remainder from negotiable certificates of deposit. multiple ch