Jawab:
a. L = 1/4 phi × d²
= 1/4 22/7 × 25 × 25
= 11/14 × 625
= 6875/14
= 491,07142857
b. L = 1/2 phi × r × r
= 1/2 × 22/7 × 14 × 14
= 1/2 × 22 × 2 × 14
= 1/2 × 44 ×14
= 1/2 × 616
= 308
c. L = 1/4 phi r²
= 1/4 22/7 × 7 × 7
= 22/4 × 7
= 11/2 × 7
= 77/4
= 19 1/4
Penjelasan dengan langkah-langkah:
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Jawab:
a. L = 1/4 phi × d²
= 1/4 22/7 × 25 × 25
= 11/14 × 625
= 6875/14
= 491,07142857
b. L = 1/2 phi × r × r
= 1/2 × 22/7 × 14 × 14
= 1/2 × 22 × 2 × 14
= 1/2 × 44 ×14
= 1/2 × 616
= 308
c. L = 1/4 phi r²
= 1/4 22/7 × 7 × 7
= 22/4 × 7
= 11/2 × 7
= 77/4
= 19 1/4
Penjelasan dengan langkah-langkah: