Tolong di jawabya mau dipake nanti ………

1.
a) Keliling = 4 * AB = 4 * 15 cm = 60 cm
b) Luas = 0.5 * AC * BD = 0.5 * 24 cm * 18 cm = 54 cm2

2.
a) Keliling = 2 * (SP + QR) = 2 * (15+20) = 2 * 35 = 70 cm
b) Luas = 0.5 * PR * QS =  0.5 * 25 * 24 = 300 cm2

3.
L = s * s = 36 cm2
s = √36 = 6
Keliling = 4 * s = 4 * 6 = 24 cm