Introductory Geometry: Congruence and Similarity

Introductory Geometry: Congruence and similarity With Construction
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June 17, 2021
1 The English and metric systems are comparable in that they are both widely utilized as measuring systems today. The English System would require a conversion ratio (or unit variable) to shift between measures, whereas the Metric System merely changes the punctuation mark.
The British Weights and Measures Act of 1824, which specified the Imperial Units that will be used across the British Empire, started to standardize measurement in the English System.
On the other hand, the Metric System is claimed to have originated in France, when the government requested an unchanging measurement system dependent on the Earth's diameter.
Because the Metric System is always decimal, it is simpler to utilize in formulas but harder to explain. However, in conversation, the English method is considerably easier to explain but harder to use in formulas.
Because the Metric System is more exact than the English System, I believe it is better to use it when teaching measuring.
2 Exterior angles are calculated by measuring the distance from one side of the polygon to an extended exterior line. Inside the polygon, interior angles are measured from one side to the next.
Exterior Angle Theorem and the Exterior Sum Theorem
In the Exterior Sum Theorem, the total of the external angle measurements, one for each vertex, should be 360° if the polygon is convex.
For this example, the sum of the measures of the exterior angles of this polygon is 360o.
The External Angle Theorem states that the exterior angle of a triangl...