Question

V. Find the third side of the triangle if the perimeter of that triangle is 20 m and
two of its side are 5 m and 4 m.​

Answer 1

Answer:

perimeter of the triangle=20m

sum of all the three sides=20m

let third side be x

x+5+4=20m

x=11 mts

so length of third side is 11 mtrs

Answer 2

Answer:

see the answer,

given above