Tolong dibantu ya hehe.. Makasi:)

Please, let me answer your question :)
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Mapel : Matematika
Tentang : Bangun Datar
Pertanyaan yg diajukan : 1
Pembahasan :

Diketahui :
- K = 396 cm

Ditanya :
- Luas

Tambahan :
- π = 22/7

K = πd
396 = 22/7 x d
d = 396/22/7
d = 396 x 7/22
d = 126 cm
r = 126/2 = 63 cm

L = πr²
L = 22/7 x 63 x 63
L = 22 x 9 x 63
L = 198 x 63
L = 12.474 cm²

Jawaban : 12.474 cm²

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Hopefully this is the best for you.

MAKE BRAINLY GREAT AGAIN!!!

Heil Manstein!