Question

a lawn is in the shape of semicircle of the dimension 35 diameter the lawn is surrounded by a flower bed with 3.5 dimension all around find the area of the flower bed​

Answer 1

Answer:

Answer is 5.5 unit square

Step-by-step explanation:

The area of the lawn is (22/7*35/2)/2=55/2 unit square

Now the total diameter of the lawn including the flower bed is 35+3.5*2

= 35+7

=42 unit

Now the total area of the lawn including the flower bed =

(22/7*42/2)/2=66/2 unit square

Now the are of the flower bed is

Total area of the lawn including flower bed - the area of the lawn only

=33 - 55/2 unit square

=11/2 unit square = 5.5 unit square