Calculating angles within a shape (Part 2)

Maths

What type of quadrilateral has 4 equal sides and 4 equal angles?

What type of quadrilateral has 4 equal sides and 2 pairs of parallel sides?

What type of quadrilateral has 2 pairs of equal angles and 2 pairs of equal parallel sides?

What do angles inside a quadrilateral add up to?

What is the size of the missing angle in this quadrilateral with angles: 90°, 120°, 40°, ?

What type of triangle has 3 different angles and 3 different sides

What do angles inside a triangle add up to?

It's impossible to work out without one angle

What are the size of the angles within an equilateral triangle?