Answer:
If you need help you need to post the choices as well
Step-by-step explanation:
C
-48
12 x 2=24
12 x 6= 72
24 - 72 = -48
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 =
D