Answer:
105.12 ft²
Step-by-step explanation:
Let's first find the area of the rectangle.
ft², so the rectangle has an area of 80ft².
To find the area of the semi-circle, we find the area of a whole circle and divide by two.
The formula to find the area of a circle is
. The radius is 4, as the diameter is 8.
![3.14\cdot4^2](https://tex.z-dn.net/?f=3.14%5Ccdot4%5E2)
![3.14\cdot16](https://tex.z-dn.net/?f=3.14%5Ccdot16)
![50.24\div2=25.12](https://tex.z-dn.net/?f=50.24%5Cdiv2%3D25.12)
Add 80 and 25.12:
![80+25.12=105.12](https://tex.z-dn.net/?f=80%2B25.12%3D105.12)
Hope this helped!
Answer:
ok
Step-by-step explanation:
9+10=21
Answer:
s= -1
Step-by-step explanation:
7= -10s-3
+3 +3
10=-10s
s= -1
Hey bro use an app called photo math it tells you ghe answer and teaches you how to do it