Explain whether the following statement is a valid definition: "A 150° angle is an obtuse angle." Use the converse, biconditional, and at least one Euler diagram to support your answer.

Biconditional statement is a statement that use conditional statements and only accepts two type of answer and that is true and false. So in your statement the Biconditional statement is If an angle is 150 degree, if true, its an obtuse, of false, then its not.