- Calculator
- Flag
-
- Circle A has radius x
- Circle B has diameter 2x
| Column A | Column B |
|---|---|
| The circumference to diameter ratio of circle A | The circumference to diameter ratio of circle B |
Title
Circumference to diameter ratio
Your Result
Correct
Difficulty
Easy
Your Pace
0:01
Others' Pace
0:44
Video Explanation
Text Explanation
To solve this question, we don't need to pay attention to the information in the prompt. We can find the answer just by looking at the information in each column.
Note that since , and , the ratio of the circumference to the diameter of any circle is equal to :
So for all circles, the ratio of the circumference to the diameter is equal to .
In fact, that's the very definition of . By its mathematic definition, is defined as the ratio of circumference to diameter of any circle. That's precisely what is in its innermost mathematical essence!
Therefore, Column A and Column B are both equal to , so our answer is (C).
Related Lessons
Watch the lessons below for more detailed explanations of the concepts tested in this question. And don't worry, you'll be able to return to this answer from the lesson page.
