a) Keliling = 4 × sisi
= 4 × 9 cm
= 36 cm
Luas = sisi² = 9² = 81 cm²
b) Keliling = 4 + 3 + 5 = 12 cm
Luas = a × t /2
= 3 x 4 / 2
= 6 cm²
c) Keliling = 2(p+l)
= 2 (16 + 8)
= 48 cm
Luas = p × l = 16 × 8 = 128 cm²
luas=a×t÷2
=3×4÷2=12÷2=6 cm2.
keliling =4+5+3
=12 cm.
maaf kalo salah
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a) Keliling = 4 × sisi
= 4 × 9 cm
= 36 cm
Luas = sisi² = 9² = 81 cm²
b) Keliling = 4 + 3 + 5 = 12 cm
Luas = a × t /2
= 3 x 4 / 2
= 6 cm²
c) Keliling = 2(p+l)
= 2 (16 + 8)
= 48 cm
Luas = p × l = 16 × 8 = 128 cm²
luas=a×t÷2
=3×4÷2=12÷2=6 cm2.
keliling =4+5+3
=12 cm.
maaf kalo salah