luas bangun disamping

Pembahasan :
Luas 3/4 lingkaran
[tex] = \frac{3}{4} \times \pi \times {r}^{2} \\ = \frac{3}{4} \times \frac{22}{7} \times 14 \times 14 \\ = 462 \: \: {cm}^{2} [/tex]

Good Luck ^^

luas 3/4 lingkaran =3/4×22/7×r×r
=3/4×22/7×14×14=462 cm2