AQuA-RAT train #50389 · Geometry · Area & perimeter

The cross-section of a tunnel is a trapezium in shape

The cross-section of a tunnel is a trapezium in shape. If the tunnel is 15 m wide at the top and 5 m wide at the bottom and the area of cross-section is 400 sq m, the depth of tunnel is?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #50389

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