Hi, this is the question i have to answer.
Planning permission has been granted to build houses on the triangular field in the diagram. The housing density permitted is 1 house for each 200m². Calculate how many houses can be built on this

Beth

Given two sides a,b and included angle C, area is 1/2 ab sin C. Divide this by 200 and you get your answer.

Good Hunting!
RD

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