Pencil Angle

Author:John Golden

Slight generalization of a Brilliant.org problem. What will the angle between the pencils be if they are put together tightly tip to tip? (The original problem asked when both pencils were 30 degrees.)

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bewijs stelling van Pythagoras
Reflection Across 2 Parallel Lines
Prism Drawn in 1-Point Perspective
Reflection = 180° Rotation about a Line
Volume by Disk/Washer around y

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GG4_1_55_CASTaylorExp
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test

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