Shape and Space 10
1 mark · EasyWrite down the formula for the area of a triangle when two sides are of length and and the included angle is .
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Also accept: (1/2)ab sin C; 0.5 ab sin C
Common mistakes: ab sin C; 1/2 absin C with no brackets
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Marking points
B1 · 1 mark · States the area formula or an equivalent correct form.
Worked solution
The area of a triangle = .