Answer:
diameter=14.4cm
circumference=14.4π or 44.24
Explanation:
the diameter is double the radius
7.2×2=14.4 is the diameter
to find the circumference it's d×π
14.4×π= 14.4π
14.4π=45.238934211693 or 44.24 to 2dp
Circumference of circle =2×pi×r=2×3.14×7.2=2×22.608=45.216cm
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