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.
He took the office in 1901 at the age of 42. Find the complete list of top 10 oldest United States presidents below: Ronald Reagan: 69 years old; William Henry Harrison:68 years old; James Buchanan: 65 years old; George H.W. Bush: 64 years old; Zachary Taylor: 64 years old; Dwight D. Eisenhower: 62 years old; Andrew Jackson: 61 years old; John Adams: 61 years old