Unit 6 Section 1 : Common 2-D and 3-D shapes

You have already met many 2-D shapes; here are some with which you should already be familiar:

NOTE: It is important to note that a square is a special case of a rectangle.
It has all the same features as a rectangle (four 90° angles) and it doesn't matter that the sides are equal.
In fact, both squares and rectangles are special cases of parallelograms, because they both have two
pairs of parallel sides. This can be continued to include trapeziums and so on...

 

Exercises

Work out the answers to the questions below and fill in the boxes. Click on the Click this button to see if you are correct button to find out whether you have answered correctly. If you are right then will appear and you should move on to the next question. If appears then your answer is wrong. Click on to clear your original answer and have another go. If you can't work out the right answer then click on Click on this button to see the correct answer to see the answer.

Question 1
Look at the names of the 4-sided 2-D shapes listed below:
Square
Rectangle
Rhombus
Trapezium
Parallelogram
Kite
Tick the shapes in the list which always have all angles the same size.

Question 2
A six-sided 2-D shape has all the sides the same length and all angles the same size.
What is the full name of the shape?
Question 3
A particular 2-D shape always has 4 sides of equal length.
(a) Is it possible that the shape is not a square?

(b) If Yes, what shape could it be? (remember it always has 4 equal sides)
Question 4
A particular 2-D shape always has 4 equal angles.
(a) Is it possible that the shape is not a square?

(b) If Yes, what shape could it be? (remember it always has 4 equal angles)
Question 5
Look at the names of the 4-sided 2-D shapes listed below:
Square
Rectangle
Rhombus
Trapezium
Parallelogram
Kite
Tick the shapes in the list which always have 2 or more sides of equal length.

Question 6
Look at the names of the 4-sided 2-D shapes listed below:
Square
Rectangle
Rhombus
Trapezium
Parallelogram
Kite
Tick the shapes in the list which always have diagonals which cross at right-angles.

Question 7
A 3-D shape has four triangular faces and one square face.
What is the name of the 3-D shape?
Question 8
Cubes and cuboids are examples of 3-D shapes.
Is a cube always a cuboid?

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