Answers

2016-03-25T01:49:27+05:30
S=21m
since the playground is square then area=s²
=21×21
=441m²

0
2016-03-25T08:12:09+05:30
Side of square = 21 metre
then the area of the square play ground = 21² 
                            area = 21×21
                            area = 441 square metre
0