Wednesday 24th January 2024
    Difficulty: Very easy

    Mathematical symbols (Quiz #432)

    Photo by <a href="https://unsplash.com/@pyssling240?utm_content=creditCopyText&utm_medium=referral&utm_source=unsplash">Thomas T</a>
    Photo by Thomas T (Unsplash)

    1. What symbol is usually used to denote the value of an angle in geometry?

    2. What does x ∈ S mean?

    3. What does ∴ mean?

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