Page 1 of 1

2509: "Useful Geometry Formulas"

Posted: Tue Aug 31, 2021 8:40 pm
by ratammer
Image
Title text: Geometry textbooks always try to trick you by adding decorative stripes and dotted lines.

If the title text didn't give it away - the joke is that the formula is just the area of the 2D shape shown, ignoring how "3D" the shapes appear to be.

Re: 2509: Useful Geometry Formulas

Posted: Tue Aug 31, 2021 11:34 pm
by chridd
It took me until I read the title text to get that.

Re: 2509: Useful Geometry Formulas

Posted: Wed Sep 01, 2021 12:35 am
by somitomi
It took me until the front page of explainxkcd to get that... :oops:

Re: 2509: Useful Geometry Formulas

Posted: Wed Sep 01, 2021 2:23 am
by The Snide Sniper
I thought it was only the last one that was wrong, until I read the title text.

Re: 2509: Useful Geometry Formulas

Posted: Wed Sep 01, 2021 5:54 am
by heuristically_alone
That's actually pretty creative. I love that. Did a double take until I read the title text.

Re: 2509: Useful Geometry Formulas

Posted: Fri Sep 03, 2021 1:21 am
by chridd

Re: 2509: Useful Geometry Formulas

Posted: Tue Sep 07, 2021 9:09 am
by jimbobmacdoodle
It took me until I came here to get that :oops:

Re: 2509: Useful Geometry Formulas

Posted: Wed Sep 08, 2021 1:15 pm
by heuristically_alone
Just glad to see you again, Jimbob.

Re: 2509: "Useful Geometry Formulas"

Posted: Sun Jan 30, 2022 3:23 pm
by Old Bruce
"Oh, I see" said the blind man when he picked up a hammer and saw.