1/2 . 3,14 . 20 . 20
=628 cm^2
Jawab:
628 cm²
Penjelasan dengan langkah-langkah:
Luas bangun tersebut
= Luas setengah lingkaran
= 1/2 x phi x r x r
= 1/2 x 3,14 x 20 x 20
= 1/2 x 3,14 x 400
= 1/2 x 1.256
= 628 cm²
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1/2 . 3,14 . 20 . 20
=628 cm^2
Jawab:
628 cm²
Penjelasan dengan langkah-langkah:
Luas bangun tersebut
= Luas setengah lingkaran
= 1/2 x phi x r x r
= 1/2 x 3,14 x 20 x 20
= 1/2 x 3,14 x 400
= 1/2 x 1.256
= 628 cm²