Correct option is (A) 48 cm3
Volume of pyramid \(=\frac13\times\) Area of base \(\times\) height of pyramid
\(=\frac13\times18\times8=6\times8\) = \(48\,cm^3\)
Correct option is (C) 1
Area of flag \(=\frac12\times\) Base \(\times\) Height
\(=\frac12\times(2+\sqrt2)\times(2-\sqrt2)\)
\(=\frac{4-2}2\) = 1 square units
