Answer:
18 π cm^2.
Step-by-step explanation:
The area of the whole circle = π r^2 = 81π cm^2.
Since there are 360 degrees in a circle the area of the shaded region =
80/360 * area of the circle.
This = 80/360 * 81 π
= 2/9 * 81 π
= 18 π
Answer: -5/3 and -3/5
Step by step explanation:
Answer:
7
Step-by-step explanation:
what how am I solving do I simplify
10 and 20 since 20 is two times as 10 and 10 plus 20 is 30