Question

find the cost of fencing the equilateral triangle of side 20 m if its cost is rupees 14.75 per meter​

Answer 1

Step-by-step explanation:

soln

here,

length=20m

cost of fencing=14.75

perimeter(p)=?

now,

p=sum of all sides

20+20+20

60

hence,cost of fencing = 60×14.75

rs870