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Identify the vertical angles in the following figure

publish date2023/03/20 20:18:00 GMT+11

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Vertical angles

  • ∠ 1 and (1) transparent  
  • ∠ 2 and (2) transparent  
drag and drop the selected option to the right place or type it instead
∠ 3
∠ 4

Correct Answer

(1) ∠ 3
(2) ∠ 4

Explanation

In this diagram ∠1 and ∠3 are vertical angles and ∠2 and ∠4 are vertical angles.

Note: 

In language of mathematics, when we work with two (or more) lines at one time, we can use subscripts to name the lines.  The prefix sub means below or beneath, as in submarine or subway.  To name the first line in the figure above, we use l1, which is read as "l sub one."  To name the second line, we use l2, which is read as "l sub two."

Reference

Mathematics for college students


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