Question

Find the missing part. Find Px

Answer 1

In the pyramid PY is the height of the slant faces which is 6 cm, while XY is half of the length, therefore 6/2 = 3 cm
Thus, considering triangle PXY;
PX is the vertical height, and using Pythagoras theorem;
PX= √(6²-3²)
= √ (27)
= 5.19 cm