Answer:diameter = 20m, sidewalk =2m
a
Step-by-step explanation:area of the flower bed = pie r square . 3.14 x 10 x 10
= 314.00m SQ
area of flower bed = pie r square
=3.14 x 8 x 8
= 200.96 m sq
side walk = incl area - excl area= 314 - 200.96 = 113.4m sq