Answer:
9
Step-by-step explanation: 18-9=9
Answer: Is 6.4
Step-by-step explanation: I hope I helped in some way shape or form.
in this situation it would be the last one or d.
Answer:
20 cm^2
Explanation:
Degree of area you want to find: 80
Length of radius: 9
Equation: 80/360 times 9
80/360= .2222222...
.2222222... times 9 = 20
So the answer is 20 cm^2
Given:
The diameter of the circle = 14 cm
To find:
The area of the circle.
Solution:
We have,
Diameter of the circle = 14 cm
We know that the radius of the circle is half of its diameter. So,


The area of a circle is:

Substituting
in the above formula, we get



Therefore, the area of the circle is 154 square cm.