По теореме косинусов
АВ*АВ=9*2+4*4+2*3*sqrt(2)*4*sqrt(2)/2
AB*AB=18+16+24=58
AB=sqrt(58)
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
По теореме косинусов
АВ*АВ=9*2+4*4+2*3*sqrt(2)*4*sqrt(2)/2
AB*AB=18+16+24=58
AB=sqrt(58)