tolong yah !!!!!!!!!!!!!!!!!!!!!!!!!

POQ = 90°
AOB = 45°
π = 22/7

Luas POQ =
90/360 × π × r × r
1/4 × 22/7 × 20 × 20
2200/7 cm2

Luas AOB =
45/360 × π × r × r
1/8 × 22/7 × 20 × 20
1100/7 cm2

Perbandingan =
POQ : AOB
2200/7 : 1100/7
2 : 1