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10 questions from this quiz
A flat closed figure of 3+ straight sides
12×base×height\frac{1}{2} \times \text{base} \times \text{height}21×base×height
perpendicular
base×height\text{base} \times \text{height}base×height
12×diagonal1×diagonal2\frac{1}{2} \times \text{diagonal}_1 \times \text{diagonal}_221×diagonal1×diagonal2
side2\text{side}^2side2
12×(sum of parallel sides)×height\frac{1}{2} \times (\text{sum of parallel sides}) \times \text{height}21×(sum of parallel sides)×height
the slanted side length
Perpendicularly at right angles
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