Question

Semi circular lawn are attached to all the edge of a rectangular field measuring 42m*35m find the area and perimeter of the total field

Answer 1

given that semi circle attached to rectangle
length of rectangle=42m
breadth of rectangle=35m
area of rectangle=lb
=42×35
=1470m^2
length of rectangle =diameter of circle
radius=d÷2
42/2
21
area of semi circle=πr^2÷2
=(22÷7×21×21)÷2
=1386÷2
=693m^2
total area =1470+693
=2163 m^2

Answer 2

Answer:your answer is in the form of photo