Q. 105.0( 2 Votes )

The sides of a tr

Answer :

Given sides of triangular field = 41m, 40m and 9m.


= Total number of flower bed =


We know Area of one flower bed = 900cm2 = 0.09m2





Sides of triangular field are a = 41m, b = 40m, c = 9m.


by Heron’s formula, we get the area of triangle


=


(where s = s is called as the semi perimeter )…(1)


we get


Substituting the value of s, a, b and c in equation 1 we get



=


=


The area of the triangular field is .


Total number of flower bed =


=


Total number of flower beds that can be placed is 2000.


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