how many internal diagonals does a heptagon (seven sided polygon) have

how many internal diagonals does a heptagon (seven sided polygon) have?

~8 minAnswer checked instantly

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #45742

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your answer

Checked against the answer in AQuA-RAT.