Question

Tolong dong masa gak ada yang bisa sih...

Answer 1

Verified answer

1.
Trapesium 1 :
L = ½ × JSS × t
L = ½ × (30 + 24) × 5
L = ½ × 54 × 5
L = 27 × 5
L = 135 cm²

Trapesium 2 :
L = ½ × JSS × t
L = ½ × (8 + 30) × 6
L = 38 × 3
L = 114 cm²

Gabungan :
L = 135 cm² + 114 cm²
L = 249 cm²

2.
Layang - Layang :
L = ½ × d1 × d2
L = ½ × (8 + 8) × (18 + 12 - 5)
L = ½ × 16 × 25
L = 8 × 25
L = 200 cm²

2 Trapesium :
L = 2 × ½ × JSS × t
L = (12 + 5) × 8
L = 17 × 8
L = 136 cm²

Gabungan :
L = 200 cm² + 136 cm²
L = 336 cm²

3.
Layang - Layang :
L = ½ × d1 × d2
L = ½ × 20 × (4 + 4)
L = 10 × 8
L = 80 cm²

2 Trapesium :
L = 2 × ½ × JSS × t
L = (4 + 10) × (25 - 8)
L = 14 × 17
L = 238 cm²

2 Persegi Panjang :
L = 2 × p × l
L = 2 × 10 × 8
L = 10 × 16
L = 160 cm²

Gabungan :
L = 238 cm² + 160 cm² + 80 cm²
L = 478 cm²

4.
Layang - Layang 1 :
L = ½ × d1 × d2
L = ½ × (26 + 8) × (6 + 6)
L = ½ × 34 × 12
L = 17 × 12
L = 204 cm²

Layang - Layang 2 :
L = ½ × d1 × d2
L = ½ × (26 + 12) × (6 + 6)
L = ½ × 38 × 12
L = 38 × 6
L = 228 cm²

Gabungan :
L = 204 cm² + 228 cm²
L = 432 cm²

5.
2 Layang - Layang :
L = 2 × ½ × d1 × d2
L = 12 × (4 + 4)
L = 12 × 8
L = 96 cm²

Trapesium 1 :
L = ½ × JSS × t
L = ½ × ((20 - 4 - 4) + 20) × 9
L = ½ × (12 + 20) × 9
L = ½ × 32 × 9
L = 16 × 9
L = 144 cm²

Trapesium 2 :
L = ½ × JSS × t
L = ½ × (14 + 12) × (12 - 9)
L = ½ × 26 × 3
L = 13 × 3
L = 39 cm²

Gabungan :
L = 96 cm² + 144 cm² + 39 cm²
L = 279 cm²

Maaf Kalau Salah