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°.