915x100/100=
915/1×100/100=
91500/100=915
so B is the answer
Answer:
The area of the semi circle 
Step-by-step explanation:
<u><em>Explanation</em></u>:-
<em>Given radius of circle 'r' = 10 cm</em>
<em>The area of the circle formula </em>
<em> </em>
<em></em>
<em>The area of the semi circle formula </em>

taking π =3.142

On calculation , we get

<u><em>Final answer</em></u>:-
<em>The area of the semi circle </em>
<em></em>
180-115=65 (just writing this because my answer has to be over 20 characters)
F(3): 6-3(3)=6-9=-3
f(-3): 6-3(-3)=6-(-9)=6+9=15
-3+15=12