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Mathematics 11 Online
OpenStudy (babyslapmafro):

Two sides of a triangle have lengths of 3cm and 13cm and meet at an angle of 60*. Find the area of the triangle. Thank you...

OpenStudy (campbell_st):

the area of a triangle using trigonometry is |dw:1345933619132:dw| \[A = \frac{1}{2} a \times b \times \sin(C)\] you can use this for your problem

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