r =4.2 cm
cirum ferine of circle
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Answer:
Find the circumference and area of a circle of radius 4.2cm. ... Hence , the circumference of the circle is 26.4 cm. Area of circle = Hence, area of circle is 55.44 sq.
Step-by-step explanation:
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Answered by
1
Step-by-step explanation:
Circumference of circle = 2 pie r = 2 × 22 × 4.2 /7
= 26.4 cm
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