So...the diameter is increasing at a rate if 2cm/minute, therefore the radius (1/2 the diameter) is increasing at half the rate. You will learn how to calculate the rate of change at a specific point in time in calculus.
Answer:

Step-by-step explanation:
Since
and
are equal, we can set them equal to each other:

Substitute
to solve for
:

Answer:

Step-by-step explanation:
Recall the Exponent Law:

Solution:

I hope this helps you
56+35+CB=180
CB=91
AE=117
AEC=180+56=236
BDA=89+56+180=325
Answer:
D
Step-by-step explanation: