Kasih tau jawabannya no 23 n 24
23. L1 = 1/2 × a × t
= 1/2 × 10 cm × 28 cm
= 280 cm2 ÷ 2
= 140 cm2
L2 = sisi × sisi
= 28 cm × 28 cm
= 784 cm2
L3 = 1/2 × /pi/ × jari2 × jari2
= 1/2 × 22/7 × 14 × 14 × 1 cm2
= 308 cm2
= L1 + L2 + L3
= 140 + 784 + 308 × 1 cm2
= 1.232 cm2 (b)
Maaf klau salah
Dan caranya kurang jelas