Question

a piece of wire is 180cm long what will be the lenth of each side if the string issued to from 1)equilateral triangle 2)a square 3)pentagon 4)hexagon​

Answer 1

Answer:

1) for equilateral triangle

as all side of equilateral triangle is same or equal

therefore, sum of all sides = length of a wire

=>a+a+a= 180 cm

=>3a= 180cm.

=> a = 60 cm = side of equilateral trainagle

2)for square

as all sides of square are also same

therefore, sum of all sides= length of wire

=> b+b+b+b= 180 =>4b= 180

=> b = 45cm= side of square

3)sum of side of pentagon = length of wire

=> c+c+c+c+c= 180cm

=>5c= 180cm

=> c = 36cm= side of pentagon

4)sum of side of hexagon= length of wire

=> d+d+d+d+d+d=180 cm

=> 6d= 180cm

=> d = 30cm= side of hexagon