Question

please solve it fast​

Answer 1

Answer:

7 m 80 cm

Step-by-step explanation:

Firstly convert all sides into cm.

Let sides be a,b,c

a= 200 cm

b= 360 cm

c= 220 cm

Perimeter of triangle(P) = a+b+c

P = 200+360+220 = 780 cm = 7 m 80 cm

Answer 2

Answer:

the answer is 7m80cm

Step-by-step explanation:

triangular garden

sides=2m,3m60cm,2m20cm

perimeter=sum of all sides

               =2m+3m60cm+2m20cm

                =7m80cm