Answer:
circumference is the outside area of a circle
area of the circle is the inside area
Explanation:
Area= 13.86 cm²
πr²= 13.86 cm²
r= √13.81 ×7/22
r= 2.1 cm
Circumference= 2πr
= 2 × 22 × 2.1 / 7
=13.2 cm
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