96 degrees. hope this helps
What is this, never seen anything like it before:(
Answer:

Step-by-step explanation:







<h3>Hope it is helpful...</h3>
<span>A = pi r^2
dA/dt = 2 pi r dr/dt
dr/dt = 15 cm/s
a) r = 30
dA/dt = 2 pi (30) (15) = 900 pi cm^2/s
b)
A = 9 = pi r^2
r = 3 / sqrt(pi)
dA/dt = 2 pi( 3/sqrt(pi)) (15) = 90 sqrt(pi) cm^2/s</span><span>
</span>
Answer:

Step-by-step explanation:
SIMPLIFY the radical expression...
SO IT'S

Reduce the fraction with 2
Now it's

Rationalize the denominator...
SO IT WILL BE

EASY EXPLANATION...
GAVE ME THE BRAINLIEST IF MY ANSWER WAS HELPFUL...
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