Sjmarf@sh.itjust.works to People Twitter@sh.itjust.works · il y a 2 ansThe value of xsh.itjust.worksexternal-linkmessage-square138linkfedilinkarrow-up11.15Karrow-down121
arrow-up11.13Karrow-down1external-linkThe value of xsh.itjust.worksSjmarf@sh.itjust.works to People Twitter@sh.itjust.works · il y a 2 ansmessage-square138linkfedilink
minus-squareswitchboard_pete@fedia.iolinkfedilinkarrow-up3arrow-down2·il y a 2 ansnormally in a geometric proof, a right angle is a right angle
minus-squarebrisk@aussie.zonelinkfedilinkarrow-up17·il y a 2 ansThis 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.
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!