Question

hey mates..... help me out please ..
A triangular park abc has sides 120 m, 80 m, and 50 m ( look at the figure). A gardener Dhania has to put a fence around it and also plant grass inside. How much area does she need to plant? Find the cost of fencing it with barbed wire at the rate of Reaction. 20 per metre leaving a space 3 m wide for a gate on one side.

Answer 1

Answer:

Area of Triagngle=Squrt(s*(s-a)*(s-b)*(s-c)

a=50m & b=80m & c=120m & s=125m

Number of Meters to be fenced =50+80+120-3=247m

Cost of Fenced =RS 20 per meters

Cost fenced park =RS 20 * 247=RS 4940

that is simple solution !!

Step-by-step explanation: