Question

A triangular park PQR has side 200m,160m,and 120m.A gardener has to put a fence all around it leaving a space 3m wide for a gate on one side and also plant grass inside.how much area does he need to plant?find the cost of fencing it with wire at the rate of Rs.13 per metre

Answer 1

Answer:

sum of all sides 200 +160+120=480 which is to multiply by rate ie 480 *13

Answer 2

Sum of all sides 200+160+120=420
Which is to multiply by rate ie 480*13