2021 Guide to the Night Sky: A month-by-month guide to exploring the skies above Britain and Ireland

2021 Guide to the Night Sky: A month-by-month guide to exploring the skies above Britain and Ireland

Matematika Sekolah Menengah Atas diameter lingkaran jika k = 78,5 cm (π= 3,14)​

diameter lingkaran jika k = 78,5 cm (π= 3,14)​

Jawaban:

cari diameter

keliling = v x d

78,5=3,14 × diameter

78,5 : 3,14 =

D=25

Penjelasan dengan langkah-langkah:

cari luas:

L:1/4 ×v×d^2

L:1/4×3,14×25×25

L:490,625

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