To calculate the area of plane shapes, we need to apply the specific formulas for each shape. Let's break it down:
- Parallelogram: To find the area, we multiply the base by the height. For example, if the base is 5 units and the height is 6 units, the area would be 5 × 6 = 30 square units.
- Trapezium: The formula for the area of a trapezium is (1/2) × (sum of parallel sides) × height. If the parallel sides are 4 units and 6 units, and the height is 3 units, the area would be (1/2) × (4 + 6) × 3 = (1/2) × 10 × 3 = 15 square units.
- Circle: To find the area of a circle, we use the formula Area = π × radius². If the radius is 4 units, the area would be π × 4² = π × 16 ≈ 50.27 square units.
- Rectangle: The area of a rectangle is found by multiplying the length by the width. For example, if the length is 6 units and the width is 4 units, the area would be 6 × 4 = 24 square units.
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