6 should be your answer
Hope this helps good luck
i think its (x , y) -> (x + 9, y - 9)
<u>Answer:</u>
Below!
<u>Kind Note:</u>
This question is incomplete. Consider adding an image to your question. Since this question is incomplete, I will tell you the definition of the triangle "right triangle".
<u>Explanation:</u>
A right triangle is a triangle that has a right angle (90°). This triangle could only be an isosceles triangle or a scalene triangle. It can never be an equilateral triangle as it has all equal sides, and all angles are 60° each.
<em>Example in picture attached.</em>