Find length of longest chord of a circle having radius 3 cm, 12, 3, 10, 6, 9, 8, Find circumference of a circle having radius 7cm ?, 44cm, 88cm, 12cm, 14cm, 7cm, 10cm, Find area of a circle having radius 7cm ?, 7cm2, 14cm2, 154cm2, 88cm2, 100cm2, 48cm2.

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