2D Shapes: kites, quadrilaterals, triangles, parallelograms, rhombuses, polygons, circles, etc. are often tested in 11+ and Selective School exams in the UK.
Example Question 1:
Which 2D shape has one set of parallel lines?
(a) parallelogram, (b) kite, (c) rhombus, (d) trapezium, (e) rectangle
Explanation: see diagram
Example Question 2:
Which of the following shapes does not fit in the group?
(a) rhombus, (b) pentagon, (c) trapezium, (d) kite, (e) square
Explanation: All the other shapes, apart from a pentagon, have 4 sides and 4 angles.
Example Question 3:
If the radius of a large circle is 13.8cm, what is the diameter?
Explanation: The radius of a circle is always half of the diameter – see diagram.
Angles in Quadrilaterals
Angles in Triangles
Names of 2D Shapes