Jawaban:
D. 150 cm
Penjelasan dengan langkah-langkah:
Mencari keliling lingkaran 1/4(yang diarsir):
[tex]k = ( \frac{1}{4} \times 2 \times \pi \times r) + r + r[/tex]
[tex]k = ( \frac{1}{4} \times 2 \times \frac{22}{7} \times 42) + 42 + 42[/tex]
[tex]k = ( \frac{1}{4} \times 2 \times 22 \times 6) + 42 + 42[/tex]
[tex]k = ( \frac{1}{4} \times 264) + 42 + 42[/tex]
[tex]k = 66 + 42 + 42[/tex]
[tex]k = 150 \: cm[/tex]
Semoga Membantu
^_^
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Jawaban:
D. 150 cm
Penjelasan dengan langkah-langkah:
Mencari keliling lingkaran 1/4(yang diarsir):
[tex]k = ( \frac{1}{4} \times 2 \times \pi \times r) + r + r[/tex]
[tex]k = ( \frac{1}{4} \times 2 \times \frac{22}{7} \times 42) + 42 + 42[/tex]
[tex]k = ( \frac{1}{4} \times 2 \times 22 \times 6) + 42 + 42[/tex]
[tex]k = ( \frac{1}{4} \times 264) + 42 + 42[/tex]
[tex]k = 66 + 42 + 42[/tex]
[tex]k = 150 \: cm[/tex]
Semoga Membantu
^_^