0580 P23 - Nov 2023 - Q21 - 6 marks
12171
\(AB=14,BC=5,CG=8\) cm; \(M\) is the midpoint of \(HG\).
(a) Calculate \(BM\). [3]
(b) Find the angle \(BM\) makes with the base \(ABCD\). [3]