Mathematics - Geometry - Circles - Area of circles - Circle Area Drill

12 problems: given r → find area, given d → find area, given area → find r, word problems. Examples: 'A circular garden has radius 4m. How much fertilizer for the area?' (50.24m²). 'A pizza has diameter 14in. What's its area?' (153.86in²). 'A circle has area 78.5cm². What's its radius?' (5cm). Use π