6.4 is the answer that is the answer
Answer: you multiply the 2 numbers and divide it by half then your answer is the easy way to do it.
Step-by-step explanation:
The numbers that can be expressed in the form of a fraction are called rational numbers. While that numbers that cannot be expressed in the form of a fraction are called irrational numbers.


is an irrational number, it cannot be expressed in the form of a fraction.
Answer:
Read below
Step-by-step explanation:
I don't understand the answer choices, but supplementary angles add up to 180°. It looks like the third option is correct.