Penjelasan dengan langkah-langkah:
4. L = (2.La) + (Ka.tp)
= (2 × 15 × 15) + (4 × 15 × 12)
= 450 + 720
= 1170 cm²
5. L = 2πr(r+t)
= 2 × 3,14 × 10 (10 + 25)
=62,8 × 35
= 2258 cm²
6.Ls = πrs
= 3,14 × 10 × 16
= 31,4 × 16
= 502,4 cm²
7. La = 30 cm
V = 1/3 × La × t
= 1/3 × 30 × 12
= 10 × 12
= 120 cm²
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Verified answer
Penjelasan dengan langkah-langkah:
4. L = (2.La) + (Ka.tp)
= (2 × 15 × 15) + (4 × 15 × 12)
= 450 + 720
= 1170 cm²
5. L = 2πr(r+t)
= 2 × 3,14 × 10 (10 + 25)
=62,8 × 35
= 2258 cm²
6.Ls = πrs
= 3,14 × 10 × 16
= 31,4 × 16
= 502,4 cm²
7. La = 30 cm
V = 1/3 × La × t
= 1/3 × 30 × 12
= 10 × 12
= 120 cm²