100 Things Blues Fans Should Know & Do Before They Die (100 Things...Fans Should Know)

100 Things Blues Fans Should Know & Do Before They Die (100 Things...Fans Should Know)

Matematika dijawab dengan benar kak​

dijawab dengan benar kak​

Rumus Keliling 1/4 lingkaran :

[tex]( \frac{1}{4 } \times 2 \times \pi \times r) + (2 \times r)[/tex]

Mencari Keliling 1/4 lingkaran :

[tex]( \frac{1}{4 } \times 2 \times \pi \times r) + (2 \times r)[/tex]

[tex]( \frac{1}{4 } \times 2 \times 3.14 \times 12) + (2 \times 12)[/tex]

[tex] 18.84 + 24[/tex]

[tex] = 42.84 \: cm[/tex]

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