math161 math161
  • 15-09-2015
  • Mathematics
contestada

What is the diameter of the circle with 49 pi

Respuesta :

TSO
TSO TSO
  • 15-09-2015
[tex] Area = \pi r^2\\ 49\pi = \pi r^2\\49=r^2\\ r=7\\\\ Diameter = 14[/tex] Remember, diameter = 2 x radius
Answer Link

Otras preguntas

Use the figure to find y.
The meaning of reputation is..... ​
Please help its my last question
The mean age of 5 people in a room is 40 years. A person enters the room. The mean age is now 39. What is the age of the person who entered the room?
please help to solve my doubt....tomarrow math examDividing polynomail[tex](4 - 10x - {6x}^{2} ) \div (4 + 2x)[/tex]​
What is the value of x? PLEASE HELP
How many atoms of hydrogen are there in 36 g of NH4?
We want to find the zeros of this polynomial: P(x) = 3x (x - 2) (2x - 7) Plot all the zeros (x-intercepts) of the polynomial in the interactive graph.
please me in math[tex] \frac{a + 1}{a - 1} + \frac{ {a - 1}^{2} }{a + 1} [/tex]​
Which event led to the case of Vernonia School District v. Acton?