Angle estimator

Author:ciara.folens

1. Hold down the Left Mouse Key and drag the point B anticlockwise. 2. Estimate the size of the red angle COB. 3. Tick the box to see how accurate your estimate was.

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Parallel Lines & Related Angles: Quick Reminders
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Text with alpha background color
巧算長方形周界
Parallel Lines and Angles: Thinking Classroom Exploration

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