1. Luas = 6 × S²
= 6 × 15²
= 6 × 225
= 1350 cm²
2. Luas = 6 × S²
600 = 6 × S²
S² = 600 ÷ 6
S² = 100
S =
S = 10 {S = rusuknya}
3. Luas = 2 × (( P × L ) × ( P × T ) × ( L × T ))
= 2 × (( 10 × 5 ) × ( 10 × 15 ) × ( 5 × 15 ))
= 2 × (( 50 ) × ( 150 ) × ( 75 ))
= 2 × 562500
= 1125000 cm²
4. Luas = 2 × (( P × L ) × ( P × T ) × ( L × T ))
= 2 × (( 8 × 2 ) × ( 8 × 15 ) × ( 2 × 15))
= 2 × (( 16 ) × ( 120 ) × ( 30 ))
= 2 × 57600
= 115200 cm²
5. Tinggi =
=
= 130 ÷ 13
= 10 cm
==================================================================
Kelas : 7
Sekolah : Smpn 6
Mapel : Matematika
Kata Kunci : Rumus
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Soal:
Jawaban:
1. Luas = 6 × S²
= 6 × 15²
= 6 × 225
= 1350 cm²
2. Luas = 6 × S²
600 = 6 × S²
S² = 600 ÷ 6
S² = 100
S =
S = 10 {S = rusuknya}
3. Luas = 2 × (( P × L ) × ( P × T ) × ( L × T ))
= 2 × (( 10 × 5 ) × ( 10 × 15 ) × ( 5 × 15 ))
= 2 × (( 50 ) × ( 150 ) × ( 75 ))
= 2 × 562500
= 1125000 cm²
4. Luas = 2 × (( P × L ) × ( P × T ) × ( L × T ))
= 2 × (( 8 × 2 ) × ( 8 × 15 ) × ( 2 × 15))
= 2 × (( 16 ) × ( 120 ) × ( 30 ))
= 2 × 57600
= 115200 cm²
5. Tinggi =
=
=
=
= 130 ÷ 13
= 10 cm
==================================================================
Kelas : 7
Sekolah : Smpn 6
Mapel : Matematika
Kata Kunci : Rumus
==================================================================
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