Geometry Answers

“Mathematics is a language that makes use of symbols and notations to describe 

numerical, geometric and graphical relationships” (DBE 2011:8). Identify key concepts from 

this definition and give an example in each case.

1.2 What skills and prior knowledge does a learner need to have before they can understand the steps that you have set out in 1.1? List eight skills/knowledge aspects and explain how these are relevant to the proof in 1.1. (16) Skills or knowledge Relevance to the proof in 1.1 

suggest a sequence of statements that logically prove that the angles opposite the congruent sides of an isosceles triangle are equal in size. explain each statement simply and clearly. use illustrations to enhance your explanation

Use blocked paper, or on square dotted grid and draw five different hexomineos that can be folded into a cube.

Reflect on how your knowledge of the thought levels of van hiele will influence your own teaching of geometry.

Discuss it's meaning on the context of the classification of quadrilaterals as a learner on level 2 would do it.

Give one example of how a learner on level 2 will define a rectangle.

Give one example of how a learner on level 1 will define a rectangle.

What skills and prior knowledge does a learner need to have before they can understand the steps that you have set out in 1.1? List eight skills/knowledge aspects and explain how these are relevant to the proof 1.1.

The volume of a right circular cone obtained from a sector of a circle in which the radius is 26 cm and and the central angle is 138.5