tolong di bantu dan di jawab

5. sudut POQ / 360° = PQ/ K
60/360 = PQ/2×PHI×21
60/360 = PQ/132
PQ = 132 × 60/360
= 7920/360 = 22
6. sudut AOB/360 = LUAS JURING AOB/L
= 45/360 = AOB/PHI×28×28
45/360 = AOB/2464
AOB= 2464 × 45/360 = 110.880/360 = 308