Answer:
answer is c
Step-by-step explanation:
It is 9 because I think It is equaltion to 9
Using it's formula, it is found that the area of the circle, in square units, is of .
<h3>What is the area of a circle circumscribed about an equilateral triangle?</h3>
Considering that the equilateral triangle has side length l, the area of the circle is given by:
In this problem, the sides have lengths of 9 units each, hence l = 9 and:
The area of the circle, in square units, is of .
You can learn more about area of a circle at brainly.com/question/17326298
Answer: 117
Step-by-step explanation:
Formula for arithmetic sequence is:
= a + (n - 1)d
22nd term = a + (n - 1)d
= a + (22 - 1)d = a + 21d
where, a = 12
d = 17 - 12 = 5.
Therefore, 22nd term will be:
= a + 21d
= 12 + 21(5)
= 12 + 105
= 117
The 22nd term is 117