Que 01. If the Vertices of the triangle are L1, K) (4,-3) and
(-9, 7) and its area is 15 Square unit then find the
Value of k.
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Answer :
value of k is 3.
Solution :
Given :
- Vertices of the triangle are (1,k) , (4,-3) and (-9,7).
- Area of the triangle is 15unit².
To Find :
- Value of k.
We can find the value of k using the formula of Area of Triangle. We will substitute the given, the by simplifying we will get the value of k.
Here,
- (x₁,y₁) = (1,k)
- (x₂,y₂) = (4,-3)
- (x₃,y₃) = (-9,7)
Hence ,
value of k is 3.
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