1. A triangular field is 7m by 10m by 9m. Using a scale of 1m to 1 cm construct a triangle using ruler and compass only. (Show all working)
Area-295 cm²
(------17cm--------)
Arca-159.5cm²
NOT TO SCALE
The diagram shows two mathematically similar shapes with areas 295 cm² and 159.5 cm². The width of the larger shape is 17 cm.
Calculate the width of the smaller shape.
3.
(a) Shade one square in each diagram so that there is
(i) one line of symmetry,
[-][][][][][]
[][-][][][-][]
[][][][][][]
(ii) rotational symmetry of order 2.
[-][][][][][]
[][-][][][-][]
[][][][][][]
(b) The pyramid below has a rectangular base. The vertex of the pyramid is vertically above the centre of the base.
Write down the number of planes of symmetry for the pyramid.
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Step-by-step explanation:
A triangular field is 7m by 10m by 9m. Using a scale of 1m to 1 cm construct a triangle using ruler and compass only. (Show all working)
Area-295 cm²
(------17cm--------)
Arca-159.5cm²
NOT TO SCALE
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