prism

"The train tracks are two parallel lines that run through the entire town. "

"My daughter's teacher is very kind and helpful. "

"The waters of the lake were transparent until the factory dumped waste there."

"The tabletop is shaped like a parallelogram, with its opposite sides perfectly parallel and the same length. "

"Can you demonstrate the new tools for us?"

"The park bench had a triangular shape, perfect for two people to sit together. "

"My sister, typically, wakes up early for school. "

"They completed the first series perfectly."

"The vertical of the mountain range was a breathtaking sight. "

"The teacher showed us a colorful polyhedron with triangles and squares for faces. "

"Of course in my opinion Social Studies is more of a science than an art."

"Sunlight on the skin gives you vitamin D."