1. is acute. 2. is isosceles. 3. is right. Which two statements contradict each other?
1. An acute triangle is a triangle with each angles acute it mean less than 90°.3. If The triangle is right, it mean one of angle equal 90 degree.
So ,1 and 3 at's impossible.
1 and 2 it's possible, for example equilateral triangle.
2 and 3 possible