1. Width = 80 m
length = 600 m
Area = l×w
Area = 600m × 80 m
A = 48000 m²
2. Base = 55 m
Top = 45 m
Height = 65 m
Area = 0.5 × b + a × h
Area = 0.5 × (55 m + 45 m) × 65 m
Area = 3250 m²
3. Base = 21 m
Height = 39 m
Area = b × h
Area = 21 m × 39 m
Area = 819 m²
