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10 questions from this quiz
12×base×height\frac{1}{2} \times \text{base} \times \text{height}21×base×height
Perpendicular distance from base
base×height\text{base} \times \text{height}base×height
12(sum of parallel sides)×height\frac{1}{2}(\text{sum of parallel sides}) \times \text{height}21(sum of parallel sides)×height
πd\pi dπd and 2πr2\pi r2πr
16π16\pi16π cm2^22
cross-sectional area×length\text{cross-sectional area} \times \text{length}cross-sectional area×length
Constant cross-section along its length
Units are consistent throughout
Break into simpler shapes, add/subtract
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