Find the area of trapezium whose parallel sides are 28 cm and…

Find the area of trapezium whose parallel sides are 28 cm and 20 cm long, and the distance between them is 21 cm?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #58922

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