alwaysneedhelp84
16.04.2020 •
Mathematics
I really need help on 3 and 4
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Answers on questions: Mathematics
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Ответ:
3. 58
4.90 and 145
Step-by-step explanation:
These are tetragonal the fomula for the sum of interior angles is:
a+b+c+d=360°
Example:
3. 120+52+130+x=360
x= 58°
Ответ:
10.3