Find the radius and diameter of a circle whose circumference is 31.4 cm. Also find its area. (Take )

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Josie · Answer

Step-by-step explanation:   Diameter of the circle is equal to two times the radius    I.e  D=2×r−−−−(1)     Given the circumference of the circle    C=31.4     ⇒2πr=31.4     ⇒r=31.42π     ⇒r=31.42×3.14=5cm     Substituting in equation (1) we ge    D=2×5=10cm

Nevaeh

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