Read the statements shown below:

If a polygon has three sides, it is a triangle.
If an angle of a triangle measures 90° it is a right triangle.
Beth constructed a triangle in the geometry class.

Based on the given statements, which is a valid argument?
It can be concluded that Beth drew a scalene triangle.
It can be concluded that Beth drew a right triangle.
It cannot be concluded that Beth drew a polygon with three sides.
It cannot be concluded that Beth drew a triangle with an angle measure of 90°.

Question

Read the statements shown below:

If a polygon has three sides, it is a triangle.
If an angle of a triangle measures 90° it is a right triangle.
Beth constructed a triangle in the geometry class.

Based on the given statements, which is a valid argument?
It can be concluded that Beth drew a scalene triangle. 
It can be concluded that Beth drew a right triangle. 
It cannot be concluded that Beth drew a polygon with three sides. 
It cannot be concluded that Beth drew a triangle with an angle measure of 90°.

znappydooz · Answer

@Straybullet, @Directrix

anonymous · Answer

It can be concluded that Beth drew a right triangle???? I believe, this question is phrased oddly.

znappydooz · Answer

it really is :P

directrix · Answer

The statements do not have to be true for the argument to be valid.

directrix · Answer

The last time I answered one of these I got it wrong. 

This is my only conclusion of that strange argument:

It cannot be concluded that Beth drew a triangle with an angle measure of 90°.