Find the area of a parallelogram with sides B = 6, AC = 3, and ∠ BAC = 60.
A12
B9√3
C18
D9
Find the area of a parallelogram with sides B = 6, AC = 3, and ∠ BAC = 60.
A12
B9√3
C18
D9
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In the figure, AB=4 centimetres, BC =5 centimetres. <B=90° cos C is: