Tolomg diisi yaa 11/4 X 13/2

[tex] \frac{11}{4} \times \frac{13}{2} \\ = \frac{11 \times 13}{4 \times 2} \\ = \frac{143}{8} \\ = 17 \frac{7}{8} [/tex]

Maaf Kalau Salah