Step-by-step explanation:
[tex]3.5 \times 6 + (5 - 3.5) \times 6 \div 2 = \\ = 21 + 9 \div 2 = \\ = 25.5[/tex]
Answer:
25.5m
square area: 6m*3.5m = 21m
Triangle height: 5m - 3.5m = 1.5m
Triangle area: [tex]\frac{1.5m*6m}{2}[/tex] = 4.5m
Total area: 21m + 4.5m = 25.5m
