Question

what is the perimeter of this feild, which consists of a rectangle , a semicircle and an equilateral triangle?

Answer 1

r of circle=7m
πr=22m
perimeter of rectangle
2(l+b)
2(14+20)
2(34)=68m
perimeter of equilateral triangle
3a
3×14=42m
perimeter of field
22+42+68
132m

Answer 2

this is the solution