Intermediate Mathematics
This is the square root of 144.
12
This war was fought between the North and South regions of the United States from 1861-1865.
American Civil War
This is the smallest country in the world by land area.
Vatican City
This tech billionaire acquired Twitter in 2022.
Elon Musk
The Pythagorean Theorem is used to find the length of sides in this type of triangle.
Right Triangle
This man was the leader of the Soviet Union during World War II.
Joseph Stalin
This is the deepest point in Earth's oceans.
Mariana Trench
This type of number cannot be expressed as a fraction.
Irrational Number
The Wall Street Crash of this year marked the beginning of the Great Depression.
1929
This river flows through ten countries and is the longest river in Europe.
Danube River
The value of pi to seven decimal places.
3.1415926
This was the last dynasty of Imperial China, which fell in 1912.
Qing Dynasty
This African country was formerly known as Abyssinia.
Ethiopia
This Nobel Prize-winning economist passed away in 2022, known for his work on inequality and welfare economics.
Amartya Sen