Question

Find the circumference and area of each circle to one decimal place. d = 3 cm

Answer 1

Answer:

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Answer 2

Answer:

d=3cm

r=1.5cm or 3/2cm

Circumference, 2πr=2×1.5×3.141=9.423

So, circumference=9.4cm

Area, πr²=3.141×3×3=28.269

So, Area =28.7 sq. cm