In the diagram, which pair of angles are alternate interior angles?

Which statement is true 1.the pythagorean theorem can be used to find the missing side of any triangle 2.the pythagorean theorem can be used to find the missing side of any polygon 3. the pythagorean theorem can be used to find the missing side of any right triangle 4.the pythagorean theorem can be used to find the missing side of any isosceles triangle

Y= a(x-3)squared-1 what is the value of a

Classify the following triangle check all tht apply