Which of the following ratios in a circle is equal to pi?

a. circumference to radius

b. radius to circumference

c. diameter to circumference

d. circumference to diameter

Option D

Step-by-step explanation:

By definition we know that the circumference of a circle is:

Where the radius of the circle is r.

And the diameter of a circle is twice the radius:

Where the radius of the circle is r.

The ratio can be written as:

or  

Rewriting the ratio of circumference to diameter and simplitying, you get:

Therefore, the ratio in a circle that  is equal to π is: Circumference to diameter.

part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.