Answer: 68.1
Step-by-step explanation:
The area of a semi-circle is 1/2 the area of a full circle. The area of a full circle is pi*r^2. Therefore, the area of a semi-circle is:


The area of a rectangle is the length multiplied by the width:


The net area is the sum of the rectangle and the semi-circle:

Answer. NOOOOOO
Step-by-step explanation:
Answer:
119.
Step-by-step explanation:
12x12 is 144
5x5 is 25
144-25 = 119
Answer:
3.370459909
Step-by-step explanation:
Figure out the arithmetic mean of the numbers (22.8)
Subtract the mean from each number and square the difference
Add up the squared differences and divide the number by 5
Square root answer
I don't understand what is writing but I think the answer could be (x+1)(x-5)