[[x]] means that the integer should be rounded down to the greatest integer that is of the same value as x or is lower than x.
Answer:
63.59
Step-by-step explanation:
If the perimeter is 32.13, that means it is equal to
2r + 2πr/4 = 32.13
Solving this for r we get 9
Now, we can find the area, which is 3.14*r^2 / 4. Assuming pi to be 3.14 again, we get 63.585. Rounding this to the nearest hundredth, we get 63.59
Answer:
area of the shaded figure
A) Y = 100/10^x
B) Y = 0-50x
