evancoil evancoil

03-03-2021
Mathematics

contestada

If the area of a circle is 121pi square units, what is its diameter

Respuesta :

lindseyp1419 lindseyp1419

03-03-2021

The area of a circle is A = r^2pi
Since the area is equal to 121pi the equation would be, 121pi = r^2. To find r in terms of pi take the square root of 121, to find the radius. Then multiply that by two to get the diameter.

Answer Link

Otras preguntas

Which of the following organisms can perform alcoholic fermentation? (1) yeast, (2) humans, (3) bacteria. a. 1 and 2 b. 1 and 3 c. 1 only d. 1, 2, and 3

If Walt can paint 25 feet of fence in an hour, and Joe can paint 35 feet in an hour, how many minutes will it take them to paint a 150-foot fence, if they work

What are the 3 features of a typical seigneurie

Jim’s allowance is $1.20 per week. Stan’s is 25¢ per day. How long will they have to save, if they save both their allowances together, before they can get a m

which state of matter has the least amount of energy?

A farmer hauled in 120 bales of hay. Each of his cows ate 1 1/4 bales. How many cows the farmer feed?

Find the value of x. Round to nearest hundredth if necessary.

Which of the following can be considered fossils? a. a 1 billion year-old rock. b. a 1 billion year-old piece of amber. c. a 1 billion year-old piece of amber w

5x+4y+100 in slope intercept form

How do you Factor c(squared)-8c ??