Answer:
=6π ft
Step-by-step explanation:
The circumference of a circle is calculated using the formula C=2πr where r is the radius and C the circumference of the circle.
In the circle provided r= 3ft
C= 2π × (3ft)
=6π ft
We do not use the approximate value of pi as the question demands us to leave pi unsolved.
90/12 = 7.5
Hope I helped!
~ Zoe
K = 10
I think. I’m not positive sure though. Hope this helped!
The answer is

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Remember to combine like terms.
Hop this helps. c:</span></span>