Geometry Answers

This question combines the concepts platonic solids, prisms, pyramids and polyhedra.

a) Are any Platonic solids pyramids? If so, which one(s)? Name the pyramid and explain why it is a pyramid (3).

b) Are any Platonic solids prisms? If so, which one(s)? Name the prism and explain why it is a prism (3). 

c)  All Platonic solids are polyhedral. Is this statement true? Explain why you say so (2).

d) Name a non-polyhedron and say why it cannot be a platonic solid (2).

Geometry                                                                                         

(a) Where in the world do we find some early evidence of geometry? (1)

(b) Approximately to what year does this evidence date back? (1)

(c) Give detail of how geometry was practiced in your example. (2)

(d) Where in the CAPS is this type of geometry covered as a topic? (1)

Direction find the changebin temperature use this symbol (°) to indicate degree

1.22° to 31°C 

2. 46 °F to 8°F

3.18°C to 26°C

4.21°C to -11°C

5. 5°C to 41°C

triangle TAB is located at T(2,3), A(1,1) and B(4,-3). Plot the shape, reflect this over the y-axis, then translate the image by rule (x,y) to (x+2, y- 1). record the coordinates of the images in the provides spaces.

the base of a right prism is an equilateral triangle whose edges is 10cm each and its lateral edge is 80 cm. Determine the total surface area of the prism in cm2

Show two diffrent rectangles which both have a perimeter of 18cm

How can the use of technology (calculators, computers and the internet) and media enhance the learning of school mathematics?

A cylindrical jug that carries 5 ℓ of water when it is filled to the brim, has a height of 20 cm

a cube with edge length of 10 cm is inscribed in a sphere, what is the diameter of the sphere?

Question 4

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