
Last updated at May 30, 2025 by Teachoo
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Challenge - Angle size perception (Activity - Page 27)Note again: Two arms form an angle at the vertex. It’s the amount of rotation between them (i.e., the angle), not the arm’s size, that matters. If the angle between arms matches the slit angle, it fits through. If it’s too wide or too narrow — it won’t fit. Another example of this can be