Example (Take π = 3.142) Area = 78.55 cm² Area, A = π r² r² = ____ (Formula) r² = ____ ÷ ____ r² = ____ r = ____ cm Question 1 (Take π = ²²/₇) Area = 616 cm² Area, A = π r² r² = ____ (Formula) r² = ____ ÷ ____ r² = ____ r = ____ cm Question 2 (Take π = ²²/₇) Area = 38.5 cm² Area, A = π r² r² = ____ (Formula) r² = ____ ÷ ____ r² = ____ r = ____ cm Question 3 (Take π = 3.142) Area = 706.95 cm² Area, A = π r² r² = ____ (Formula) r² = ____ ÷ ____ r² = ____ r = ____ cm

B) Given the area of the circle, calculate its radius

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