leshanamorris2000 leshanamorris2000

01-10-2019
Mathematics

contestada

I'm looking to find the exact area of a circle with a diameter of 21 inches

Respuesta :

altenbm1 altenbm1

01-10-2019

Answer:

A=346.46

Step-by-step explanation:

Using the formulas

A=πr2

d=2r

Solving forA

A=1

4πd2=1

4·π·212≈346.36059

Answer Link

Otras preguntas

A sentence that asks a question ends with a period. True False

= A coat is reduced $24 from the original price of $400. What is the percent decrease? The price of the coat decreased by%. K

= A coat is reduced $24 from the original price of $400. What is the percent decrease? The price of the coat decreased by%. K

Which of the following best describes renewable energy? A. Natural mineral source of energy B. Sources that can be mined or drilled, and will last for a finite

Cuanto vale la y en matemáticas

Kara is running a marathon. After 2 hours, Kara has run 13 miles. After 4 hours, Kara has run 26 miles. What is her speed, in miles per hour?

A sentence that asks a question ends with a period. True False

The width, of a rectangle is 1/2 of its length. What are the sides of the rectangle if its perimeter is 63 in

Plot the graph of 2x - y = 6 and y = 4. Write down the coordinates of the point where the lines intersect

(1) When we call someone “pig” or “swine,” we do not mean it as a compliment. (2) But pigs do not deserve to be used as a symbol for an insult. (3) They are pro