mintol kak makasiii

Penjelasan dengan langkah-langkah:
r = 21 cm
< AOB = 90°
Luas juring OAB = 90°/360° x πr²
= ¼ x 22/7 x 21²
= 22/28 x 441
= 11/14 x 441
= 4.851/14
= 346,5 cm²
[answer.2.content]Penjelasan dengan langkah-langkah:
r = 21 cm
< AOB = 90°
Luas juring OAB = 90°/360° x πr²
= ¼ x 22/7 x 21²
= 22/28 x 441
= 11/14 x 441
= 4.851/14
= 346,5 cm²
[answer.2.content]