A circular garden has a radius of 7 feet. Using π ≈ 22/7, what is its area?

The area of a circle is π × r². Here r = 7, so r² = 49, and area = (22/7) × 49 = 22 × 7 = 154 square feet. Using 22/7 for π is convenient when the radius is a multiple of 7 because the 7 cancels neatly. Don't confuse area (πr²) with circumference (2πr); the circumference here would be 2 × (22/7) × 7 = 44 feet, offered as a distractor. The garden's area is 154 square feet. Remember area uses the radius squared, while circumference uses the radius to the first power.