# Justin Does Math

**URL:** <https://discuss.criticalfallibilism.com/t/justin-does-math/271>\
**Category:** Friendly\
**Tags:** math\
**Created:** [August 26, 2021, 1:54am UTC](https://discuss.criticalfallibilism.com/t/justin-does-math/271 "2021-08-26T01:54:18Z")\
**Posts on this page:** 1\
**Showing post:** 24

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**Author:** ![Elliot](https://discuss.criticalfallibilism.com/user_avatar/discuss.criticalfallibilism.com/elliot/32/14_2.png) [@Elliot](https://discuss.criticalfallibilism.com/u/Elliot)\
**Post date:** [October 2, 2021, 9:24pm UTC](https://discuss.criticalfallibilism.com/t/justin-does-math/271/24 "2021-10-02T21:24:04Z")

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I initially took their hint as meaning to extend lines outside the square. That’s a common technique. I quickly got a solution by looking at it that way:

 ![image](https://discuss.criticalfallibilism.com/uploads/default/original/1X/7b5e7059d50b661c68a2adc310a09a6dd2f81efe.jpeg)

Maybe you can figure out a solution from this pic.

But I don’t think this is the intended solution. I think the hint meant to try to calculate the area outside the black box – the white area.

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