mybe mksud soal "(sebuah persegi panjang berukuran panjang 15cm lebar 8 cm)"
________________________________
k = 2(p + ℓ)
= 2(15 + 8)
= 2(23)
= (2.23)
= 46 cm ✔️
L = p × ℓ
= 15 × 8
= 120 cm² ✔️
Diketahui :
Persegi panjang, p=15 cm, l=8 cm
Ditanya :
a. Luas
b. Keliling
Dijawab :
Luas Persegi Panjang = p×l = 15 cm × 8 cm = 120 cm²
Keliling Persegi Panjang = 2(p+l) = 2 (15 cm + 8 cm) = 2(23 cm) = 46 cm
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mybe mksud soal "(sebuah persegi panjang berukuran panjang 15cm lebar 8 cm)"
________________________________
k = 2(p + ℓ)
= 2(15 + 8)
= 2(23)
= (2.23)
= 46 cm ✔️
L = p × ℓ
= 15 × 8
= 120 cm² ✔️
Diketahui :
Persegi panjang, p=15 cm, l=8 cm
Ditanya :
a. Luas
b. Keliling
Dijawab :
a. Luas
Luas Persegi Panjang = p×l = 15 cm × 8 cm = 120 cm²
b. Keliling
Keliling Persegi Panjang = 2(p+l) = 2 (15 cm + 8 cm) = 2(23 cm) = 46 cm