The radius of the sphere decreases at the rate of 6 m/ sec
That is, 
Surface Area of the sphere of radius r is given by 
Differentiating with respect to t,


Explanation
Answer:
The carpenter can build the triangular frame by cutting the 12 foot piece by 2foot
100 because that just isn’t possible
Cos(x) = sin(90 - x)
cos(53) = sin(90 - 53)
cos(53) = sin(37)
Answer:
Step-by-step explanation: