azulueta2106 azulueta2106

08-04-2022
Mathematics

contestada

The area of a circle is 9π m². What is the circumference, in meters? Express answer in terms of π

Respuesta :

Аноним Аноним

08-04-2022

Answer:

20.25 pi

Step-by-step explanation:

The circumference of a circle is given by

C = 2 * pi *r

9 pi = 2 * pi *r

Divide each side by 2pi

9pi / 2 pi = 2 pi r / 2 pi

4.5 = r

Now we can find area

A = pi r^2

= pi ( 4.5)^2

20.25 pi

Answer Link

Otras preguntas

Here is the original passage from Conner's Learn More Now (2004), page 198: When you're required to use the equipment, the chairs, and the furniture that's avai

The unfavourable alteration of environment due to human activities is termed asA. Ecological disturbanceB. CatastropheC. Ecological degradationD. Pollution

According to the police officer, the car accident could not have been avoided. Identify the verb

A small class has 10 students, 5 of whom are girls and 5 of whom are boys. The teacher is going to choose two of the students at random. What is the probability

In an isosceles trapezoid, the longest base is 11", a leg is 5", and the height is 4". Find the length of the shorter base of the trapezoid

The leadership contingency theory assumes that ______. a. distinctive physical characteristics account for leadership effectiveness b. distinctive psychological

Gas escapes from the surface of a planet because it acquires an escape velocity. The escape velocity will depend on which of the following factors: I. Mass of t

Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 134 millimeters, and a standard deviation of 8 m

For your main post, answer this question: A. Define Tactical Operations and Emergency Management separately. B. Identify differences in skill sets of Tactical O

During the Industrial Revolution, machine-driven processes began to replace handmade production of things from small household goods to buildings, and therefore