2•8.2•5.1=83.64 square feet.
ANSWER: 83.64 Square Feet
Hi there! The answer is 100πcm^2
The radius of a circle can be found by dividing the diameter by 2. In other words : the radius is half of the diameter.
Therefore, the radius of a circle with a diameter of 20 cm is 10 cm.
The exact area of a circle can be found using the following formula:

In order to find our answer, we need to plug in the data from the question.

Hence, the answer is 100πcm^2.
0.500 that what is the answer would be
Answer:
9 times as many as 3 is 27.
Step-by-step explanation: