Question

The two sides of a triangular park are 30cm and 40cm find the length of the third side if its perimetre of the flag is 730cm?

Answer 1

Answer:

Side1=30cm

Side2=40cm

Side3 be= x

Perimeter=730cm

P=side1+side2+side3

730=30+40+x

x=730-(30+40)

x=730-70

x=660cm