points m and n are two vertices of a right triangle. they are the endpoints of the hypotenuse mn of the triangle. the third vert
ex lies in the fourth quadrant
1 answer:
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Answer:
<h3> x = 7 , y = 7√2</h3>Step-by-step explanation:
The sum of measures of angles in triangle is 180°
so:
180° - 90° - 45° = 45°
two angles angles of the same measure, that means: x = 7
so: