Step-by-step explanation:
2a :
Perimeter of the rectangle
=(8+6+8+6)cm
=28 cm
Perimeter of the yard
=28 (3m/2cm) cm
=28 (300cm/2cm) cm
=28x150 cm
=4200cm
=42m
Therefore, he will need 42m of fencing
2b:
Size of the garden
=(1/3)(6)(8)(150) m^2
=2400 m^2
