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Find the circumference of this circle
using 3 for 7.
C ~ [?]

Radius of the circle "" =

Value of =

The circumference "" of the circle.

We know that,

Therefore, the circumference of the circle is .

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= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5