Assertion: heptagon's triangle | /r/HasAspect | the sides of 12cm
Facets:
Source sentences:
text: Each triangle has the sides of 12cm (the apothem), 6cm (the half the side of the heptagon), and one unknown side (connecting the centre of the heptagon to the corner nearest to the apothem).
text: Each triangle has the sides of 12cm (the apothem), 6cm (the half the side of the heptagon), and one unknown side (connecting the centre of the heptagon to the corner nearest to the apothem).