bantu no 4 ya pliss

L1 = p × l = 22 × 6 = 132 cm²

r = (22-8)÷ 2 = 7
L2 = ½ × 22/7 × 7 × 7 = 77 cm²

Lttl = 132 + 77 = 209 cm²

Bab Luas Bangun Gabungan
Sekolah Dasar Kelas V

^ >> pangkat

L1 = p × l
= 22 × 6
= 132 cm2

L2 = ( 22 - 8 ) ÷ 2
= 14 ÷ 2
= 7

= 1/2 phi r^2
= 1/2 . 22/7 . 7 . 7
= 11/7 . 7 . 7
= 11 . 1 . 7
= 77 cm2

LS = L1 + L2
= 132 + 77
= 209 cm2