Penjelasan dengan langkah-langkah:
jawaban dan cara terlampir
Jawaban:
14. L = πr²
= 22/7 × 28 × 28
= 2.464 (A)
15. L = 3/4 πr²
= 3/4 × 3,14 × 40 × 40
= 942
16. L = 3/4 πr²
= 3/4 × 22/7 × 14 × 14
= 33 × 14
= 462 (B)
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Penjelasan dengan langkah-langkah:
jawaban dan cara terlampir
Jawaban:
14. L = πr²
= 22/7 × 28 × 28
= 2.464 (A)
15. L = 3/4 πr²
= 3/4 × 3,14 × 40 × 40
= 942
16. L = 3/4 πr²
= 3/4 × 22/7 × 14 × 14
= 33 × 14
= 462 (B)