Question

find the cost of fencing a rhombus shaped field whose side is 47m,at a cost of Rs.22.50 per m

Answer 1

perimeter of rhombus=4x side
=4x47
=188m

now,
cost= rate x perimeter
=188x22.5
=4230 rs

Answer 2

perimeter of rohmbus = 4×side =4×47=188m and cost of fencing of 188m =188×22.50=RS4230