If a transversal is one of two parallel lines, then it is perpendicular to the other one also.
perpendicular
parallel
corresponding

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?