A triangle has corners at #(9 ,3 )#, #(4 ,1 )#, and #(2 ,4 )#. What is the area of the triangle's circumscribed circle?
1 Answer
The area of the triangle's circumscribed circle is
Explanation:
Let ,
Using Distance formula ,we get
Using cosine Formula ,we get
We know that,
Using sine formula:we get
So , the area of the triangle's circumscribed circle is:
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Note:
If we take,