Angles and Triangles Quiz

What is the sum of the interior angles of a triangle?

• 180 degrees

• 360 degrees

• 270 degrees

• 90 degrees

What type of angle measures exactly 90 degrees?

• Acute angle

• Right angle

• Obtuse angle

• Straight angle

How many sides does a triangle have?

• 4

• 5

• 6

• 3

What is the name of a triangle with all sides of different lengths?

• Equilateral triangle

• Isosceles triangle

• Right triangle

• Scalene triangle

What is the name of a triangle with one angle measuring more than 90 degrees?

• Acute triangle

• Obtuse triangle

• Equilateral triangle

• Right triangle

What is the name of a triangle with one angle measuring exactly 90 degrees?

• Acute-angled triangle

• Right-angled triangle

• Obtuse-angled triangle

• Equilateral triangle

What is the name of a triangle with all angles measuring less than 90 degrees?

• Obtuse triangle

• Right triangle

• Equilateral triangle

• Acute triangle

What is the name of a triangle with two sides of equal length?

• Isosceles triangle

• Equilateral triangle

• Right-angled triangle

• Scalene triangle

What is the name of a triangle with all sides of equal length?

• Equilateral triangle

• Isosceles triangle

• Scalene triangle

• Right triangle

What is the name of a triangle with one right angle?

• Right-angled triangle

• Isosceles triangle

• Equilateral triangle

• Scalene triangle