15pointsis this a valid argument? given: if a closed geometric shape has three sides, then it is a triangle. closed geometric shape abc has three sides. conclusion: shape abc is a triangle. yes. this argument uses the law of syllogism. yes. this argument uses the law of detachment. no. this is an improper use of the law of detachment. no. this is an improper use of the law of syllogism.

Yes. This argument uses the Law of Detachment.

why: an example of the law of detachment is

no one needs to be a rocket scientist to know that if the battery of a car is dead, then the car will not start.

this is a knowledge that most of us have.

hope this helps???

plz tell me if it does

no

step-by-step explanation:

2-7=-5

7-2=5

when you combing like terms for ech expression, 5 and -5. these numbers are not equal to each other.

step-by-step explanation:

the true ones are a b and d