Penjelasan dengan langkah-langkah:
4.
K = s1 + s2 + s3 + s4
K = 12 + 6 + 4 + 10
K = 12 + 10 + 10
K = 22 + 10
K = 32 cm
L = 1/2 × (jlh sisi sejajar) × t
L = 1/2 × (12+4) × 6
L = 1/2 × 16 × 6
L = 8 × 6
L = 48 cm²
5.
L = 1/2 × d1 × d2
L = 1/2 × 45 × 22
L = 45 × 11
L = 495 cm²
6.
K = 2 × (a+sisi miring)
K = 2 × (31 + 15)
K = 2 × 46
K = 92 cm
No.4
K = a + b + c + d
K = 12 cm + 6 cm + 4 cm + 10 cm
K = 18 cm + 4 cm + 10 cm
K = 22 cm + 10 cm
- - -
L = ½ x ( a + c ) x t
L = ½ x ( 12 cm + 4 cm ) x 6 cm
L = ½ x 16 cm x 6 cm
L = 16 cm x 3 cm
No.5
L = ½ x D1 x D2
L = ½ x 45 cm x 22 cm
L = ½ x 990 cm
No.6
K = 2 ( a + b )
K = 2 ( 31 cm + 15 cm )
K = 2 x 46 cm
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Penjelasan dengan langkah-langkah:
4.
K = s1 + s2 + s3 + s4
K = 12 + 6 + 4 + 10
K = 12 + 10 + 10
K = 22 + 10
K = 32 cm
L = 1/2 × (jlh sisi sejajar) × t
L = 1/2 × (12+4) × 6
L = 1/2 × 16 × 6
L = 8 × 6
L = 48 cm²
5.
L = 1/2 × d1 × d2
L = 1/2 × 45 × 22
L = 45 × 11
L = 495 cm²
6.
K = 2 × (a+sisi miring)
K = 2 × (31 + 15)
K = 2 × 46
K = 92 cm
No.4
K = a + b + c + d
K = 12 cm + 6 cm + 4 cm + 10 cm
K = 18 cm + 4 cm + 10 cm
K = 22 cm + 10 cm
K = 32 cm
- - -
L = ½ x ( a + c ) x t
L = ½ x ( 12 cm + 4 cm ) x 6 cm
L = ½ x 16 cm x 6 cm
L = 16 cm x 3 cm
L = 48 cm²
_______
No.5
L = ½ x D1 x D2
L = ½ x 45 cm x 22 cm
L = ½ x 990 cm
L = 495 cm²
_______
No.6
K = 2 ( a + b )
K = 2 ( 31 cm + 15 cm )
K = 2 x 46 cm
K = 92 cm