+65 You can use this app to help you it show an good example to help you math.stackexchange.com/questions/3486925/find-the-value-of-k-that-bisects-the-area
let me know if you need any thing else have a great day
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+2666 The line \(x = k\) is a vertical line. It will split the triangle into a right triangle and a quadrilateral.
The area of the triangle is \(10.5\)
The equation of line \(AB \) is \( {3 \over10}x+{9 \over5}\)
We want the area of the right triangle to be \(5.25\), so we can write the area as an equation: \(10.5=(x+6)({3 \over 10}x+{9 \over 5})\)
Solving the equation and simplifying, we find that \(\color{brown}\boxed{x = \sqrt{35} - 6}\)
Feel free to ask me if you have any questions!!
