Q. 174.0( 4 Votes )

Find the co

Answer :

Given: Sides of a triangle are 70 cm, 50 cm, and 60 cm

Cost of leveling the ground: Rs. 7 per square metre


To Find: The cost of leveling the ground.


Concept Used:


If sides of a triangle are a, b, and c, then area of a triangle is given by:



Where s = semiperimeter of the triangle



Assumption: Let the sides of triangle be,


a = 70 cm


b = 50 cm


c = 60 cm


Explanation:




s = 90 cm





Area = 600√6 cm2.


1m2 = 104 cm2


600√6 cm2


Cost of leveling of 1 m2 = Rs. 7


Cost of leveling of


Hence, the cost of leveling of the ground is Re. 1.


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