Answer:240√3cm³
Step-by-step explanation: The base is a regular hexagon. We can divide the base into 6 equilateral triangles.
Each equilateral triangle has side a=4cm. Hence the area of the base is B⇒ 6×√3÷4×4² ⇒ 24√3
This implies that V = B×h = 24√3 × 10 = 240√3cm³