Question

Luas bagian lingkaran diatas ialah

Answer 1

Verified answer

Bab Lingkaran
Sekolah Dasar Kelas VI

= 1/6 x phi x r x r
= 1/6 x 3,14 x 15 x 15
= 1/6 x 3,14 x 225
= 1/6 x 706,5
= 117,75 cm2

Answer 2

L = 60°/360° x 3,14 x 15cm x 15cm
   = 1/10        x 3,14 x 15cm x 15cm
   =          0,314        x 15cm x 15cm
   =70,65cm2