Sir Mike Ambrose is the author of the question.
Calculating Area Triangle W
Area W to 3 decimal places is;
Area triangle with length 5 units and base 7.5sin86.4166783015 units - Area triangle of with length 5 units and 4sin86.4166783015 units - Area triangle with length 2.75 units and 3.5sin34.7719440318 units.
= 5.98826978347
≈ 5.988 square units.
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