pyramid

"The teacher used a rectangular whiteboard to draw a diagram. "

"...approximately 60 beats per minute."

"Companies try to sell their products using advertisements in form of placards, television spots and print publications."

"Geneticists study DNA to understand why some diseases run in families. "

"The doctor examined the medullary tissue of the bone for signs of disease. "

"The scholarship offered a valuable opportunity for students to pursue higher education. "

"Professor Smith, the head of the history department, gave a fascinating lecture on the Roman Empire. "

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

"The project consists of three main parts. "

"Construction is underway on the new bridge."

"His rage only increased when I told him of the lost money."

"The school offered an alternative schedule for students who needed more time to study. "