Which pair of undefined terms is used to define a ray? line and plane
plane and line segment
point and line segment
point and line

Find the value of x for which the lines are parallel.

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

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.