# The side wall of a budha park, painted in black color with a ' TO FOLLOW THE TRAFFIC RULES' . If the sifes of the wall are 5 cm, 6 cm and 7 cm respectively then solve tha following questions (i) Find the area of the wall. (ii) Which mathematical concept is used to solve this problem? (iii) If we consider one side of a triangle be 1 m in place of 6 m, then whether we find out area ofnthe wall or not. (iv) What message dpes the phrase 'TO FOLLOW THE TRAFFIC RULES' give to the society?

Dear Student,

Given : Sides of side wall of a Buddha park are 5 m, 6 m and 7 m respectively .

i ) We can find area of this triangular wall by using heron's formula :

Area of triangle  =

Here s  = and a  =   5  , b  = 6  and  c = 7

So ,

s  =
Then
Area of triangular wall  =

ii ) Here we used Heron's formula to solved given problem .

iii ) If we consider one side of a triangle be 1 m in place of 6 m, then

1 + 5 < 7  ,  That is not possible as we know in any triangle sum of any two sides is always greater than the third side .

So,

By taking 1 m in place of 6 m , So our dimension , 5 m , 1 m and 7 m  we can't construct any triangle so we can't find area .

iv ) Message does the phrase 'TO FOLLOW THE TRAFFIC RULES' give to the society is awareness regarding traffic rules.