Premises:
If a quadrilateral has two pairs of parallel sides, then it is a parallelogram.
If a quadrilateral is a parallelogram, then its opposite angles are congruent.

Conclusion:
If a quadrilateral has two pairs of parallel sides, then its opposite angles are congruent.

Which statement best describes this argument?

The argument is invalid because the conclusion does not follow the premises.

The argument is valid by the law of syllogism.

The argument is valid by the law of detachment.

The argument is invalid because the premises are not true.

Question

Premises:
If a quadrilateral has two pairs of parallel sides, then it is a parallelogram. 
If a quadrilateral is a parallelogram, then its opposite angles are congruent.

Conclusion: 
If a quadrilateral has two pairs of parallel sides, then its opposite angles are congruent.

 

Which statement best describes this argument?

The argument is invalid because the conclusion does not follow the premises.

The argument is valid by the law of syllogism.

The argument is valid by the law of detachment.

The argument is invalid because the premises are not true.

princeevee · Answer

@pooja195

princeevee · Answer

@3mar

3mar · Answer

It is not from honesty to answer a question I do not know.
I really don't know. Sorry for disappointing you.

jhonyy9 · Answer

so i think that the first and the last choice you can eliminate bc. this statement true always 
but from these second and 3rd choice i not can select the right 

@3mar

3mar · Answer

Don't embarrass me @jhonyy9

jhonyy9 · Answer

sorry just i like to know what is your opinion about what i ve wrote like answer