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Student Question

Secondary I • 1yr.

i want to understand how to justify my answer when finding the mesure of angles in secondary 1 thank you.

Mathematics
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Explanations (2)

  • Explanation from Alloprof

    Explanation from Alloprof

    This Explanation was submitted by a member of the Alloprof team.

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    Team Alloprof • 1yr.

    Hi ToucanComique7953,

    Thank you for your question!

    Usually, you'll need a relation to justify the angles in a figure. For example, the sum of the interior angles of a triangle is equal to 180°, a straight angle is 180°, a right angle is 90°, etc.

    There are a lot of relations that exist in mathematics to justify the measures of angles. I gave you a few, but you'll learn a lot more. Here's a link to help you!

    I hope that helps and feel free to write us again!

    Anthony B.

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    Secondary III • 1yr. edited April 2022

    See if there's a place in your textbook containing the justifications. If not, you should ask your teacher.

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