Triangles Review

Complementary angles always add up to

Supplementary angles always add up to

In a triangle, how many total degrees are there?

• 100%

• 180 degrees

• it varies

• 360 degrees

What is the missing Angle?

Classify this triangle by its sides and angles.

• right

• obtuse

• isosceles

• scalene

Classify this triangle.

• Right, Isosceles
• Scalene, acute
• Isosceles, acute
• Equilateral, obtuse

Classify the triangle

• Obtuse
• Equilateral
• Scalene
• Right

What is triangle DEF classified as using side length?

• Equilateral

• Scalene

• Isosceles

What is triangle DEF classified as using angles?

• Acute

• Obtuse

• Right

Find x. Type the number only.