Question

the length and the breadth of a rectangular lawn are 20 m and 15 M respectively it has a circular flower bed of radius 3 metre in the middle find:-

1. the area of the lawn excluding the area of the flower bed.

2. the circumference of the flower bed.

Answer 1

area of the rectangular lawn =l*b
20*15=300sq.m
area of the circular bed= pie r square
22/7×3×3=28.28sq.m(approx)
area of the lawn excluding the area of the flower bed=300-28.28=271.72sq. m


circumference =2 pie r
2×22/7×3 =18.85m(approx)


Hope this is correct..

Answer 2

Answer:

A die is throw 100times and outcome are noted