Jawabanmu

2014-02-18T14:31:54+07:00
Luas linkaran=pi r^{2}
113,04=3,14 . r^{2}
113,04/3,14= r^{2)
36= r^{2}
 \sqrt{36} =r
6=r
2014-02-18T14:43:29+07:00
L= πr²
113,04=3,14×r²
r²=113,04÷3,14
r²=36
r=√36
r=6