square root
5 × 5 = 25. This topic is part of Mathematics within Science & Nature. This page currently draws on 4 supporting questions, with answers and bonus facts available below.
square root trivia questions
What is the square root of 25?
Answer: 5
Bonus fact: 5 × 5 = 25.
The principal square root of a positive number is conventionally what?
Answer: Nonnegative
Bonus fact: The radical symbol denotes the nonnegative root.
Which number is irrational: √2, √4, √9, or √16?
Answer: √2
Bonus fact: √2 cannot be expressed as a ratio of integers.
For an observer near Earth's surface, horizon distance increases approximately with the square root of what quantity?
Answer: Height above the surface
Bonus fact: For modest heights, horizon distance is approximately proportional to the square root of observer height.