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Answer:
C. 285.71
Step-by-step explanation:
Answer:
22.6 inches
Step-by-step explanation:
The circumference of a circle is given by
C = pi *d
The diameter is 7.2 inches
Approximating pi by 3.14
C = 3.14 * 7.2
C = 22.608
Rounding to the nearest tenth
C = 22.6
Answer:
14r
Step-by-step explanation:
First, you find the perfect squares which 196 and r^2 are both perfect squares. Then, you just simplify them which is 14r.