A wooden statue consists of a cube surmounted by a right square pyramid

MATHEMATICS · Single correct · GCSE · Mathematics · Geometry and Measures · Geometry and Measures

Problem

A wooden statue consists of a cube surmounted by a right square pyramid. The cube has an edge length of

0.30\,\text{m}

. The pyramid has the same square base as the top of the cube and a height of

0.15\,\text{m}

. The wood has a uniform density of

600\,\text{kg}\,\text{m}^{-3}

. What is the mass of the entire statue? (a)

24.3\,\text{kg}

(b)

20.25\,\text{kg}

(c)

18.9\,\text{kg}

(d)

16.2\,\text{kg}