Area of a triangle IB Maths

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Area of a triangle IB Maths

Postby Jane » Sat Apr 13, 2013 4:44 am

IB Mathematics SL – Trigonometry, Area of a triangle

How can we find the area of a triangle ABC with sides

and included angle ?

Thanks!
Jane
 
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Joined: Tue Mar 19, 2013 8:47 pm

Re: Area of a triangle IB Maths

Postby miranda » Sat Apr 13, 2013 4:53 am

IB Maths SL – Trigonometry, Area of a triangle

The area of a triangle is a half of the product of two sides and the sine of the included angle.



Therefore in your case we have the following



Hope these help!! :)
miranda
 
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Re: Area of a triangle IB Maths

Postby Jane » Sat Apr 13, 2013 5:06 am

Thanks a lot!
Jane
 
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Joined: Tue Mar 19, 2013 8:47 pm


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