Find the area of the quadrilateral of one of its diagonals is…

Find the area of the quadrilateral of one of its diagonals is 40 cm and its off sets 11 cm and 9 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 #88630

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