"Pro"s and "Con"s
Similar triangles have angles that are this term.
What is congruent?
The locusts are swarming about a flower in a plane so that they are all equidistant from the center of the flower forming this shape.
What is a circle?
A Fibonacci prime is a Fibonacci number that is also prime. The first three are 2, 3, and 5, while this number is the fifth Fibonacci prime.
What is 89?
This is the value of 6 ♡ (8 ♡ 10) where m ♡ n = m/2 - 2n.
What is 35?
This 1999 film describes the future as a simulated reality where human body heat is used as an energy source by sentient machines while human life is an elaborate deception.
Similar triangles have sides that are this term.
What is proportional?
What is a parabola?
A semiprime number is a natural number that is the product of two (not necessarily distinct) prime numbers. The first three are 4, 6, and 9, while this number is the seventh semiprime number.
What is 21?
This is the value of 1 ⋔ (2 ⋔ 3) where p ⋔ q = p^q + q^p.
What is 18?
The grassy area between two sides of a divided roadway that is used to separate opposing traffic.
The multiplicative inverse of a real number.
What is the reciprocal?
The locusts emerge from the ground and arrange themselves so that each locust's height above the ground is equal to the distance from a fixed vertical line. If the locusts occupy every such point, they form this shape.
What is a line?
A balanced prime is a prime number that is the arithmetic mean of nearest primes above and below it. The first one is 5 since (3 + 7)/2 = 5 while this number is the second one.
What is 53?
This is the value of 7 ◻ (5 ◻ 3) where x ◻ y = sqrt(x^2 - y^2).
What is sqrt(33)?
A statement believed to be true but not yet proven.
What is a conjecture (or proposition)?
What is a square?
A twin prime is a prime number that is either 2 less or 2 more than another prime number. These numbers make the sixth pair of twin primes.
What are 41 and 43?
This is the reduced value of 3 ◇ (2 ◇ 4) where g ◇ h = g/h + h/g.
What is 61/30?
Without, or deprived of, normal mental clarity or sound judgment.
How the statement "If a quadrilateral is not a rectangle, then it is not a square" relates to the statement "If a quadrilateral is a square, then it is a rectangle."
What is the contrapositive?
What is a perpendicular bisector?
What are the Mersenne primes (or primes of the form 2^n - 1)?
This is the reduced value of 2 ⋈ (3 ⋈ 4) where a ⋈ b = ab/(a+b).
What is 12/13?
This is the headquarters of the United States Department of Defense and has been described as a "weird-looking building...four walls and a spare."
What is the Pentagon? (pentagon)