quadrilateral

"A square has four sides."

"Don’t move that beam! It supports the whole platform."

"The teacher asked us to draw a polygon with five sides. "

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

"I have a house and a car."

"The knight defended the castle from the attacking dragon. "

"The farmer fenced his pasture to keep the cows from wandering into the road. "

"The museum displayed a beautiful silk mantua from the 1700s, showing visitors the elegant fashion of the French court. "

"The parts are comprised by the whole."

"My son enjoys playing baseball in the backyard. "

"The straight path to the school led past the park. "

"The ancient mountains served as natural fortresses, protecting the valley from invaders. "