ABCDEF is a regular hexagon of side 12 cm. What is the area (in cm2) of the triangle ECD?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 36√3

Side of regular hexagon = 12 cm
∴ Area of ΔOED =
= 36√3 cm2
∴ Area of ΔOCD =
= 36√3 cm2
→ Area of ΔECD = 
= 36√3 cm2