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How would you solve this???

 

https://vle.mathswatch.co.uk/images/questions/question1749.png

 Apr 13, 2020
 #1
avatar+23623 
+2

Use law of cosines to find missing side length

   then use Heron's Rule to calculate the area....

 Apr 13, 2020
 #2
avatar+7825 
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You have two sides and the included angle, so you can find the area by using \(\text{Area} = \dfrac12 bc \sin \theta\), where b and c are the side lengths and \(\theta\) is the included angle.

 Apr 14, 2020

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