Cyniez@lemmy.world to Asklemmy@lemmy.ml · 2 个月前Can anyone solve this math for me?lemmy.worldimagemessage-square44fedilinkarrow-up1141arrow-down119
arrow-up1122arrow-down1imageCan anyone solve this math for me?lemmy.worldCyniez@lemmy.world to Asklemmy@lemmy.ml · 2 个月前message-square44fedilink
minus-squareolosta@lemmy.worldlinkfedilinkarrow-up5arrow-down1·2 个月前The explanation don’t explain why AE must be a diameter of the circle. What makes that obvious?
minus-squarekambusha@sh.itjust.workslinkfedilinkarrow-up4·2 个月前Thanks. I had the same Q: https://en.m.wikipedia.org/wiki/Thales’s_theorem
minus-squaretehn00bi@lemmy.worldlinkfedilinkarrow-up3·2 个月前How have I had years of math and not seen this? I mean, it’s not super useful for me, but I would have thought I would have seen something like this in pre calculus at least.
minus-squaremaxprime@lemmy.mllinkfedilinkarrow-up1·2 个月前I teach this to my grade 9 class in Canada. It’s on the curriculum.
minus-squaretehn00bi@lemmy.worldlinkfedilinkarrow-up1·2 个月前Nice. I have no recollection of seeing this before.
The explanation don’t explain why AE must be a diameter of the circle. What makes that obvious?
Thales’ Theorem
Thanks. I had the same Q: https://en.m.wikipedia.org/wiki/Thales’s_theorem
How have I had years of math and not seen this? I mean, it’s not super useful for me, but I would have thought I would have seen something like this in pre calculus at least.
Geometry, class six or seven.
I teach this to my grade 9 class in Canada. It’s on the curriculum.
Nice. I have no recollection of seeing this before.
Tbf most Canadian grade 9 teachers skip it.