CSEC Mathematics · January 2015 · Paper 2 · Question 6(a)(iii)

The diagram below is a scale drawing of the side view of a building. Q is the midpoint of KN, and ∠KLM = ∠LMN = 90°.

Calculate the actual area of the face LMNPK on the building.

This question uses a figure or table from the paper — you'll see it when you practise.