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.
Donald Trump is the oldest president elected in US history. Donald Trump pulled off a stunning upset early Wednesday morning and secured his spot as the 45th president of the United States. When he's inaugurated this upcoming January, he'll become the oldest elected president in US history. Previously, the oldest elected president was Ronald Reagan, who took the oath of office at the age of 69 in 1981. Donald Trump is 70 years old. Interestingly, had Hillary Clinton won election, she'd have been our second-oldest president-elect at the age of 69.