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?
Answer
It can be concluded that Beth drew a right triangle.
It can be concluded that Beth drew a scalene triangle.
It cannot be concluded that Beth drew a triangle with an angle measure of 90°.
It cannot be concluded that Beth drew a polygon with three sides.

Question

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?
Answer
		It can be concluded that Beth drew a right triangle.
		It can be concluded that Beth drew a scalene triangle.
		It cannot be concluded that Beth drew a triangle with an angle measure of 90°.
		It cannot be concluded that Beth drew a polygon with three sides.

anonymous · Answer

Think about it for a second. The first two parts of the question do not talk about beth. You should have seen many different triangles by now. Have you seen a triangle that does not have any angle with 90 degrees?|dw:1336006748428:dw|

anonymous · Answer

yes there angles wont reach 90 degrees