Sjmarf@sh.itjust.works to People Twitter@sh.itjust.works · 1 day agoThe value of xsh.itjust.worksimagemessage-square96fedilinkarrow-up1154arrow-down14
arrow-up1150arrow-down1imageThe value of xsh.itjust.worksSjmarf@sh.itjust.works to People Twitter@sh.itjust.works · 1 day agomessage-square96fedilink
minus-squarebrisk@aussie.zonelinkfedilinkarrow-up1·20 hours agoThis is a standard way to draw geometric proofs, it’s not at all unreasonable to assume straight lines and unrepresentative angles.
minus-squareswitchboard_pete@fedia.iolinkfedilinkarrow-up0·19 hours agonormally in a geometric proof, a right angle is a right angle
minus-squarebrisk@aussie.zonelinkfedilinkarrow-up2·19 hours agoThis was certainly not my experience in high school. An unlabelled angle could never be assumed. Only angles marked with a square could be taken as right angles.
This is a standard way to draw geometric proofs, it’s not at all unreasonable to assume straight lines and unrepresentative angles.
normally in a geometric proof, a right angle is a right angle
This was certainly not my experience in high school. An unlabelled angle could never be assumed. Only angles marked with a square could be taken as right angles.
guess you’re right!