Question

r =4.2 cm
cirum ferine of circle​

Answer 1

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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Answer 2

Step-by-step explanation:

Circumference of circle = 2 pie r = 2 × 22 × 4.2 /7

= 26.4 cm

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