1-5 tlg jawab yaa plis

1) PA = akar 30kuadrat- 18kuadrat
= 24 cm
2) 2a+a = 180
3a = 180
a = 60°
3) a) AB = akar 10kuadrat-6kuadrat
= 8cm
b) [ABO] = 1/2 × 6 × 8
= 24cm2
c) [ABOC] = 1/2 × 6 × 8 × 2= 6 × 8 = 48cm2
d) 1/2 × 10 × BC = 6 × 8
5BC = 48
BC = 9,6cm
4) blm ketemu
5) a) OP = 1200 ÷ 24 = 50cm
b) PQ = 1200 ÷ 30 = 40