heidiheffron574
01.02.2022 •
Mathematics
Homework for math
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Ответ:
X=4
Step-by-step explanation:
Because the 90 angle is alternate exterior angle to the 21x+6. So they are equal to each other. It would be 90=21x+6. Then -6 to both sides to be 84=21x and 84/21 is 4. So X=4.
Ответ:
Ответ:
both angle 2x+60 and 4x+20 are equal
2x+60=4x+20
60=2x+20
40=2x
x=20
Step-by-step explanation: