Grade 8 Geometry

Which of the following cannot be used to prove parallel lines?

• Equal corresponding angles

• Equal co-interior angles

• Equal alternate angles

What do you an angle bigger than 90⁰ but smaller than 180⁰?

• right angle

• acute angle

• reflex angle

• obtuse angle

How many degrees do the angles of a triangle add up to?

How many degrees do the angles around a point add up to?

Classify the triangle by its sides

• Scalene triangle

• Isosceles triangle

• Equilateral triangle

• Acute triangle

Classify the triangle by its angles

• Acute triangle

• Obtuse triangle

• Right triangle

• Scalene triangle

Which type of triangle has an hypotenuse?

• Isosceles triangles

• All triangles

• Right-angled triangle

• No triangles