The following is the answer.
concave, equilateral
The inverse is: if the weather is not fair then I will take a walk.
The question asks about the "following". In those circumstances would it be too much to expect that you make sure that there is something that is following?
If two numbers are reciprocals, then their product is 1. If the product of two numbers is 1, then they are reciprocals.
A+ 0
2 would be a counterexample to the conjecture that prime numbers are odd. 2 is a prime number but it is the only even prime number.
The part of a conditional statement following the word "then" is the consequent. It is the action or outcome that will occur if the condition specified in the statement is met.
hypothesis
The following is the answer.
concave, equilateral
The statement is not false. A hexagon is a polygon.
The statement is bi-conditional. The "if and only if" should have tipped you off immediately.
equilateral triangle
x = 2 : 2 and 3 are both primes.
This sentence is a "conditional sentence."
The question isn't clear.