Answer:
Step-by-step explanation:
Sum
-2d + 1 + 6d + 4
Solving like terms
4d + 5
Difference
-2d + 1 - 6d - 4
-8d - 3
Please see the attached picture for the full solution.
=50×30
= 1500m.
field = length = breadth
it would be 59.5
