Jawabanmu

2014-02-14T22:03:36+07:00
2014-02-14T22:47:45+07:00
Cara I:
\frac{3}{2} × 24 cm^{2} = 3 × 12 cm^{2} = 36 cm^{2}
Cara II: \frac{diameterI}{diameterII} = \frac{luasI}{luasII}
\frac{2}{3} = \frac{24}{n}
2 × n = 3 × 24
2n = 72
n = 36 cm^{2}

Maaf kalau salah..
Semoga membantu.. O:) :)