nook4boo
08.10.2019 •
Mathematics
Find the value of x. 120 120 2x x x
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Ответ:
75
Step-by-step explanation:
If the figure is a pentagon with 5 sides, then the angles must add to 540.
120 + 120 + 2x + x + x = 540.
Solve by combining like terms and subtracting them from 540.
240 + 4x = 540
4x = 300
x = 75
Ответ:
12!/
3! (12-3)!=
220
Hope this helps! Have a great day! If you need any more help let me know!