Question 7
The diagram shows a tile divided into regular hexagons of side length 1 cm. What is the total area, in cm$^2$, of the parts of the tile which are shaded?

Entry format: use sqrt(3) for the square root of 3, * for multiplication, and / for division; omit units.

Entry format: use sqrt(3) for the square root of 3, * for multiplication, and / for division; omit units.