What is the difference between Height and Length? Definition: Height is the measurement of something from base to top. Length is the measurement or extent of the longest side of an object. Vertical vs Horizontal: Height measures a vertical distance. Length measures a horizontal distance. One dimensional Objects:
Ages Of US Presidents. John F. Kennedy is the youngest-ever elected president, aged 43. However, Theodore Roosevelt is the youngest person to ever become president. He was 42 when he succeeded to the presidency, following the assassination of McKinley. Ronald Reagan is the oldest person ever to be elected president. He was 69.
One must also be at least 35 years of age to be president. John F. Kennedy was the youngest person to be elected president; he was 43 years old when he was inaugurated in 1961. There is no maximum age limit set forth in the Constitution. Ronald Reagan was the oldest president; at the end of his term in 1988, he was nearly 77.