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Optical Illusions (Speaking) - Are these lines parallel?

Optical illusion image showing a black and white checkerboard pattern with the question "Are these lines parallel?"

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Show Answer Key & Explanations Step-by-step solution for: OPTICAL ILLUSIONS (Sense of sight / Speaking) - ESL worksheet by ...

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- Yes, the lines are parallel.
- The black and white squares create an optical illusion that makes the horizontal lines appear to be slanted or wavy.
- This is a well-known illusion called the Café Wall Illusion.
- Despite the appearance, if you measure or trace the lines, you will find they are perfectly straight and parallel to each other.

Parent Tip: Review the logic above to help your child master the concept of optical illusions worksheet.

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