Luas bagian lingkaran tersebut adalah...

[tex]l \: = \frac{3}{4 } \times \pi \times r \times r \\ \\ \: \: \: \: = \frac{3}{4} \times 3.14 \times 8 \times 8 \\ \\ \: \: \: \: = 150.72 \: {cm }^{2} [/tex]
[tex]l \: = \frac{3}{4 } \times \pi \times r \times r \\ \\ \: \: \: \: = \frac{3}{4} \times 3.14 \times 8 \times 8 \\ \\ \: \: \: \: = 150.72 \: {cm }^{2} (c)[/tex]