Question

Sarah only knows the diameter of a circle. What should she do to find the radius?
Multiply the diameter by 2.
Divide the diameter by 2.
Multiply the diameter by 3.14
Divide the diameter by 3.14

Answer 1

to find radius Sarah have to divide diameter by 2.

Answer 2

formula for radius= diameter/2

ofcourse your answer is that Sarah have to divide diameter by2