A floor is made up of 20 triangular tiles, each with sides 40 cm, 24 cm and 32 cm. Find the cost of polishing the floor at the rate of 2 rupees per sq. cm.

Step-by-step explanation:

Let sides of the triangle be

Semi-perimeter (s) =

Area of one tile

So,

Area of 20 tiles

Cost of polishing the floor at the rate of 2 rupees per sq.cm =

step-by-step explanation:

the true ones are a b and d

6x = 48

i hope this . 6 cards each and a total of $48. dvide each side by 6 and you will have your answer.