Question

solve this question ​

Answer 1

Answer:

Step-by-step explanation:

The remaining ungraded area

=1050 m sq

Answer 2

Answer:

Step-by-step explanation:

Each corner represents a sector..

Area of one sector=Theta/360*pi r square

90/360*22/7*35*35=962.5 m square.

Area of the square=70*70=4900m square

Area remaining ungrazed=area of square-4(area of a sector)

4900-3850=1050 m square.

Area left ungrazed=1050m square