Cool trick my math teacher back in the day showed me.
The instructions are dumb in the wording and hard to follow. I'll upload another, however, I don't want to take this one down for the views.
![](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_uiuITkk-ZhJep_hxp4ep9_9JFUdq2T1TCvaC3dq5kciZnlq4PF0PrsjaaxRDnF5DTmP454wDgPhSVgL76POnR3UAErugr9KG5wtDPlGJQa4JY=s0-d)
The instructions are dumb in the wording and hard to follow. I'll upload another, however, I don't want to take this one down for the views.