tolong di jwb ya,, pake cara yg jelas dan benar

= 3/4 phi.r^2
=3/4x3,14x(10dm)2
=3/4x3,14x100dm^2
=3/5x314dm^2
=235,5 dm^2 (C)

Mapel : Matematika
Bab : Bangun datar

r = 10 dm

Luas daerah yang diarsir
= 3/4 x Luas linkaran
= 3/4 x π x r²
= 3/4 x 3,14 x 10 dm x 10 dm
= 3/4 x 314 dm²
= 235,5 dm²