Register
The area of a circle is 78.5 cm^2. What is the diameter of the circle? -5 cm -10 cm -12.5 cm -39.25 cm
119k views
5 votes
The area of a circle is 78.5 cm^2. What is the diameter of the circle?

-5 cm
-10 cm
-12.5 cm
-39.25 cm

User Tobin
by
3.9k points

2 Answers

2 votes

Answer5:

Explanation:

User Commandantp
by
4.2k points
7 votes

Answer:

10cm

Explanation:

78,5=pi.r^2

User Keybee
by
4.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.5m questions

5.9m answers

Other Questions

Which of the following angles can be used to evaluate cot(-210)
Which of the following is a polynomial with roots 4, -5, and 7? A. f(x) = x^3 - 6x - 27x + 140 B. f(x) = x^3 - 6x - 20x + 27 C. f(x) = x^3 - 20x^2 - 27x + 35 D. f(x) = x^3 - 20x^2 - 35x + 140
ten granola bars and 12 bottles of water cost $23. 5 granola bars and four bottles of water cost $10. how much do one granola bar in one bottle of water cost?
If the equation y=mx+b is used to model a quantity y as a function of the quantity x, why is b considered to be the starting value?
PLEASE HELP !!!!!!!! THANK YOU line m includes the points (-5,3) and (-2,-6). Line n has the same slope as line m and a y-intercept of -2/3. Write the equation for line n in slope-intercept form.
Link Copied!