Geometrical Properties And Reasoning
Gbogbo ọrọ náà
A tiled floor, a bridge truss and a kite in flight are all held together by the same handful of angle facts. This topic gives you the standard geometric statements Edexcel expects you to quote, and the discipline of chaining them together so that every angle you state is backed by a named reason rather than a guess.
You will work through parallel line angle pairs, polygon angle sums for any number of sides, the defining properties of each quadrilateral in the special-quadrilateral family, and the three kinds of symmetry a 2D shape can carry. By the end you should be able to look at an unfamiliar diagram, identify which properties apply, and write a clean chain of reasoning from what is given to what is asked.
Ebumnobi
- Understand and apply geometrical properties of Euclidean space
- Use geometrical reasoning to solve problems
- Understand and use angle properties of parallel lines, triangles and polygons, including regular polygons
- Know and use properties of the parallelogram, rectangle, square, rhombus, trapezium and kite
- Understand and use symmetry about a point, line or plane, including recognising line and rotational symmetry
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Akwụkwọ Ọmụmụ
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Nnyocha Ọmụmụ
Ekele diri gi maka imecha ihe karịrị na Geometrical Properties And Reasoning. Ugbu a na ị na-enyochakwa isi echiche na echiche ndị dị mkpa, ọ bụ oge iji nwalee ihe ị ma. Ngwa a na-enye ụdị ajụjụ ọmụmụ dị iche iche emebere iji kwado nghọta gị wee nyere gị aka ịmata otú ị ghọtara ihe ndị a kụziri.
Ị ga-ahụ ngwakọta nke ụdị ajụjụ dị iche iche, gụnyere ajụjụ chọrọ ịhọrọ otu n’ime ọtụtụ azịza, ajụjụ chọrọ mkpirisi azịza, na ajụjụ ede ede. A na-arụpụta ajụjụ ọ bụla nke ọma iji nwalee akụkụ dị iche iche nke ihe ọmụma gị na nkà nke ịtụgharị uche.
Jiri akụkụ a nke nyocha ka ohere iji kụziere ihe ị matara banyere isiokwu ahụ ma chọpụta ebe ọ bụla ị nwere ike ịchọ ọmụmụ ihe ọzọ. Ekwela ka nsogbu ọ bụla ị na-eche ihu mee ka ị daa mba; kama, lee ha anya dị ka ohere maka ịzụlite onwe gị na imeziwanye.
- Two parallel lines are crossed by a transversal. One angle is 73 degrees and its alternate angle is on the opposite side of the transversal, between the parallel lines. What is the size of the alternate angle? A) 17 degrees B) 73 degrees C) 107 degrees D) 180 degrees Answer: B
- A regular polygon has an exterior angle of 24 degrees. How many sides does it have? A) 12 B) 15 C) 18 D) 24 Answer: B
- Which quadrilateral has diagonals that bisect each other at 90 degrees but are NOT necessarily equal in length? A) Rectangle B) Rhombus C) Trapezium D) Kite Answer: B
- A shape has rotational symmetry of order 2 but no lines of symmetry. Which shape is this most likely to be? A) Square B) Isosceles trapezium C) Parallelogram that is not a rectangle or rhombus D) Regular hexagon Answer: C
- The interior angle sum of a polygon is 1440 degrees. How many sides does the polygon have? A) 8 B) 9 C) 10 D) 12 Answer: C
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Akụkụ akwụkwọ
Use Properties of Angles, Triangles, and the Pythagorean Theorem
Use the properties of angles
"Prealgebra: Use Properties of Angles, Triangles, and the Pythagorean Theorem" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/prealgebra/pages/9-3-use-properties-of-angles-triangles-and-the-pythagorean-theorem. Access for free at https://openstax.org/books/prealgebra/pages/1-introduction
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Meecha Ajụjụ Ule Ọmarịcha
Ị chọrọ ime ajụjụ ule ọmarịcha gbasara Geometrical Properties And Reasoning? Budata ngwa Green Bridge CBT iji nweta ajụjụ ule ọmarịcha na nyocha zuru ezu gbasara isiokwu a.
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