Question

.. The floor of a building consists of 1,000
rhombus-shaped tiles. The diagonals of each tile
are 40 cm and 20 cm in length. Find the total cost
of polishing the floor if the cost per sq metre is rupees 10.

please solve step by step

it answer will be 4000​

Answer 1

Step-by-step explanation:

D1=40cm =0.4m and D2=20cm=0.2m

so, area of each tile =1/2*0.4*0.2=0.04m^2

so, area of 1000 tiles =1000*0.04=40m^2

cost of 40m^2 = 40 *10 = ₹400