Area of trapezium = ?
- 1/2 (base × altitude)
- 1/2 (sum of parallel sides × altitude)
- 2 (base × altitude)
- None of these
Explanation
The area of a trapezium (or trapezoid) is found by averaging the lengths of its two parallel sides (a and b) and multiplying by the perpendicular height (h), using the formula:
Formula
Area = ½ × (sum of parallel sides) × height
Area = ½ × (a + b) × h
Steps to Calculate
- Identify the lengths of the two parallel sides (a and b) and the perpendicular height (h).
- Add the lengths of the parallel sides (a + b).
- Multiply the sum by the height (h).
- Divide the result by 2 (or multiply by ½) to get the area.
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