Shawn is assigned to read an article that he finds challenging because the ideas are complicated and difficult for him to understand. one strategy he can use to deal with this challenge is to

a. learn more about the author's background.

b. pay more attention to the headings in the material.

c. rephrase each idea in his own words.

d. look for clues to the meanings of unfamiliar words.

it's not d. i chose that first ! tia

C. Rephrase each idea in his own words.

Explanation:

This is the strategy that Shawn can use in order to understand this text. In this text, there are words and ideas that Shawn finds difficult to understand. Therefore, he needs a strategy that will help him adress this concern. A useful strategy would be rephrasing each idea in his own words. In this way, Shawn will find it easier to process this challenging information.

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explanation:

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right angles are formed by perpendicular lines. if the lines would extend, to make two intersecting lines, they would form four right angles.