diketahui LO=7546cm2 ditannya KO? V lingkaran 22/7

Mapel Math
Bab Kesebangunan

Penyelesaian :
Jari jari
[tex] = \sqrt{ \frac{Luas}{\pi} } \\ = \sqrt{ \frac{7 \times 7546}{22} } \\ = \sqrt{ \frac{52822}{22} } \\ = \sqrt{2401} [/tex]
= 49 cm

K○
= 2πr
= 2 × 22/7 × 49 cm
= 308 cm

Good Luck