AC- х
AB- 2x
BC- 2x-4
x+2x+2x-4=52
5x-4=52
5x=52+4
5x=56
x=11.2 (AC=11.2 cм.)
AB= 2*11.2=22.4см.
BC=22.4-4=18.4 cм.
AC- х
AB- 2x
BC- 2x-4
x+2x+2x-4=52
5x-4=52
5x=52+4
5x=56
x=11.2 (AC=11.2 cм.)
AB= 2*11.2=22.4см.
BC=22.4-4=18.4 cм.