Answer:
.004
Step-by-step explanation:
translate the percent to a decimal
I need a picture of the figures to help with this!
Answer:

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 = 
Answer:
my answer is B
Step-by-step explanation:
hope this helps
The square root of 9800=
= 70 * square root of 2