brp yak tolong ya kak

20.
Kecepatan :
K = J ÷ W
K = 90 km ÷ 2 jam
K = 45 km/jam

21.
Luas Trapesium :
L = ½ × JSS × t
L = ½ × (8 + 6) × 5
L = ½ × 14 × 5
L = 7 × 5
L = 35 cm²

Maaf Kalau Salah

90/2: 45km/jam

8+6/2: 7x5 : 35cm²