Mapel : Matematika
Tingkat : SMP
Materi. : Lingkaran
Dik.d=84
r=1/2 × 84 = 42
Phi = 22/7
Dit.luas daerah arsiran?
Jawab) L = phi × r^2
= 22/7× 42 ×42
= 5.544 cm
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Mapel : Matematika
Tingkat : SMP
Materi. : Lingkaran
Dik.d=84
r=1/2 × 84 = 42
Phi = 22/7
Dit.luas daerah arsiran?
Jawab) L = phi × r^2
= 22/7× 42 ×42
= 5.544 cm