Question

PLEASE HELP

Circle A has a diameter of 1 foot. Circle B has a circumference of 1 meter. Which circle is bigger? Explain your reasoning. (1 inch = 2.54 centimeters)

Answer 1

Answer: the correct answer is B

Answer 2

Circle B is bigger than Circle A.

Explanation:

The explanation is shown below:

1. The formula that is used to calculate the circumference of a circle is:

c=2d

where d is the diameter.

2. Therefore, you can solve for the diameter to calculate the diameter of Circle B:

db=C/2

db=1m/2

db=0.5m

3. We know that 1 meter is 3.28 feet, therefore 0.5 meters is half 3.28 feet:

db=3.28ft/2=1.64ft

4. As you can see, the diameter of Circle B is bigger, therefore, Circle B is bigger than Circle A.