connorhoran05
29.06.2020 •
Mathematics
Help me?????????????????
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Ответ:
x=3
CD = 13
Step-by-step explanation:
BE = CD in a parallelogram
1+4x = 5x -2
Subtract 4x from each side
1+4x-4x = 5x-2 -4x
1 = x-2
Add 2 to each side
1+2 = x-2+2
3 =x
The length of CD
CD = 5x-2 = 5*3 -2 = 15-2 = 13