2/9 is already simplified but it’s decimal form is
_
0.2
Answer:
127.17 cm²
Step-by-step explanation:
- Area of a semicircle: 1/2*π*r²
- π (pi) = 3.14
- r (radius) = d (diamater) / 2 => 18/2 = 9 cm
A = 1/2*π*r²
A = 1/2*3.14*9²
A = 1/2*3.14*81
A = 3.14*40.5
A = 127.17 cm²
Therefore, the area of the semicircle is 127.17 cm²
Hope this helps!
Answer:

Step-by-step explanation:
Add up all the sides to get the perimeter:

Answer:
y<-2x+1
Step-by-step explanation:
Hope this helps and can I have brainliest!
Answer:
The answer to this question can be defined as follows:

Step-by-step explanation:
please find attached file.