Angles and Geometry Review

What is the sum of interior angles in a triangle?

• 270 degrees

• 90 degrees

• 360 degrees

• 180 degrees

Identify the type of angle: 90 degrees

• Straight angle

• Right angle

• Obtuse angle

• Acute angle

Calculate the missing angle in a triangle with angles 40° and 60°

• 80°

• 120°

• 90°

• 100°

What are the angles in a right-angled triangle?

• 90 degrees, 45 degrees, and 45 degrees

• 30 degrees,90 degrees, and 90 degrees

• 120 degrees, 30 degrees, and 30 degrees

• 60 degrees, 60 degrees, and 60 degrees

Define the term 'complementary angles'

• Two angles that form a straight line

• Two angles that are equal in measure

• Two angles that add up to 180 degrees

• Two angles that add up to 90 degrees

Identify the type of triangle: all sides are of different lengths

• Isosceles triangle

• Right triangle

• Equilateral triangle

• Scalene triangle

Calculate the missing angle in a triangle with angles 30° and 60°

• 180°

• 90°

• 45°

• 120°

What is the sum of exterior angles of a triangle?

• 180 degrees

• 90 degrees

• 270 degrees

• 360 degrees

Identify the type of angle: 180 degrees

• Obtuse angle

• Straight angle

• Acute angle

• Right angle

Define the term 'supplementary angles'

• Two angles whose measures add up to 180 degrees

• Two angles whose measures add up to 360 degrees

• Two angles whose measures add up to 90 degrees

• Two angles whose measures are equal