tleppek6245
29.08.2019 •
Mathematics
Solve.
4(a+2) = 8 +4a
a. all real number
b. no solution
c. -2
d. -1
Solved
Show answers
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Ответ:
Ответ:
We know that:
(3x + 2) + (12x + 13) = 180
So:
15x + 15 = 180
15x = 165
x = 11
Now we can calculate the angles:
3x + 2 = 35
12x + 13 = 145