Triangle abc is 4: 13: 19
find the measure of the angles

Find the value of x for which abcd must be a parallelogram -9-6x x-30

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.