The answer is 15.
Using the distance formula you’d get. Sqrt(-2-7)^2+(-10-2)^2
Sqrt(-9)^2+(-12)^2
Sqrt(81+144)
Sqrt(225)
D=15
Answer:
56.31 degrees
Step-by-step explanation:
6 = opposite and 4 = adjacent
Tan = opposite over adjacent
Tan(theta)=6/4
=56.30993247
<span>2 • (7v + 11) over
4 is your answer :)</span>
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:
-2/3 < y < 0
Step-by-step explanation:
y = Asin(x)
Edit*
There's a node (y=0) at pi for sine wave. At 3/2pi will be the min. So range goes from -2/3 to 0