Triangle Type/Sum/Pythagorean Review

A SCALENE triangle has _____________.

• 3 equal sides

• 4 equal sides

• no equal sides

• 2 equal sides

The sides of an equilateral triangle have...

• different measures.

• nothing.

• equal measures.

• 60° measures.

Which would be the best classification for the triangle shown?

• acute isosceles
• equiangular scalene
• equiangular isosceles
• equiangular equilateral

Which would be the best classification for the triangle shown?

• acute isosceles
• obtuse scalene
• obtuse isosceles
• acute scalene

Which would be the best classification for the triangle shown?

• right isosceles
• obtuse scalene
• obtuse isosceles
• right scalene

Which would be the best classification for the triangle shown?

• right isosceles
• obtuse scalene
• obtuse isosceles
• acute scalene

Name this triangle by its angles and sides.

• acute, scalene

• acute, isosceles

• obtuse, equilateral

• equiangular, equilateral

Name this triangle by its angles and sides.

• acute, scalene

• acute, isosceles

• acute, equilateral

• right, scalene

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 

• 45°
• 90°
• 180°
• 360°

What is the value of the missing angle?

• 61
• 50
• 60
• 69