tag:blogger.com,1999:blog-5957896812820341397.post2339715585327845396..comments2024-01-14T18:14:23.866-08:00Comments on Delta Scape: At what level is his thinking?delta_dchttp://www.blogger.com/profile/18024582157985654525noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-5957896812820341397.post-75921421485098195292014-10-18T21:39:16.275-07:002014-10-18T21:39:16.275-07:00Wow. That's pretty frustrating after all that ...Wow. That's pretty frustrating after all that buildup, if that's all there is to it. I'm only hearing a visual level justification, though I'm sure he has the math knowledge to go further. <br /><br />If it's so easy for everyone to "see", why are they even watching the video? And if it's not, wouldn't it be helpful to explain how you can be SURE it's a trapezoid? And what kind of trapezoid, anyway? Lost opportunities.<br /><br />Followup questions: <br />How could you convince a skeptic that this is a trapezoid instead of just any old quadrilateral, or a rectangle, or a parallelogram?<br />How do you see the symmetry? <br />Does it matter how we orient the cutting thing?<br />Julie Wrighthttp://www.twitter.com/msjwright2noreply@blogger.com