tolong jawabin ya, soalnya udah di gambarnya

maksudnya itu mencari apa

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

Diketahui :
- Bangun : 2/4 lingkaran
- r = 20 cm

Ditanya :
- L

L = 2/4 x πr²
L = 2/4 x 3,14 x 20 x 20
L = 2/4 x 3,14 x 400
L = 200 x 3,14
L = 628 cm²

Jawaban : 628 cm²

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Hopefully this is the best for you.

MAKE BRAINLY GREAT AGAIN!!!

Heil Manstein!