Question

two sides of a triangle are equal centimetres and 4 centimetre the perimeter of a triangle is 36 cm what is the length of the third side​

Answer 1

as given 2 sides are equal therefore isosceles triangle

let equal sides be x

perimeter of isosceles triangle=2a+b

36=2x+4

36-4=2x

32=2x

x=32/2

x=16 cm