any changes in its shape or movement? Why or why not?
Texts: Thought Questions 10. The equation for the area of a circle is A = πr^2. If the radius of a circle is doubled, how does the area change? Explain your answer.
Texts: Thought Questions 11. The square root of a number is a value that, when multiplied by itself, gives the original number. For example, the square root of 9 is 3 because 3 x 3 = 9. What is the square root of 16?