This is the very first puzzle in the Only Connect puzzle book.
What’s the connection?
Reunion of broken parts
Pebble
Measurement of the Earth
Triangle measurement
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Sign up to join this communityThey are branches of mathematics.
Algebra - Reunion of broken parts is the literal Arabic translation
Calculus - Pebble is the literal Latin translation
Geometry - Measurement of the earth is the literal Greek translation
Trigonometry - Triangle measurement is the literal Greek translation