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Home » Matematika » 9. Perhatikan gambar berikut !. 28 cm Luas bangun tersebut adalah ... cm?.​

9. Perhatikan gambar berikut !. 28 cm Luas bangun tersebut adalah ... cm?.​

cristophercroninulv – March 14, 2023
9. Perhatikan gambar berikut !. 28 cm Luas bangun tersebut adalah ... cm?.​

Jawaban:

484cm²

Penjelasan dengan langkah-langkah:

Diketahui:

diameter (d) = 28cm → jari jari (r) = 28 ÷ 2 = 14cm

Ditanya:

Luas 1/2 lingkaran =.....?

Dijawab:

L 1/2 ling. = 1/2 x π x r²

= 1/2 x 22/7 x 14 x 14

= 1/2 x 968

= 484cm²

Terimakasih Kak!

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Post under : #Matematika

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