tyrique86
22.01.2020 •
Mathematics
Item 2 use the relationship between the angles in the figure to answer the question. which equation can be used to find the value of x?
a. x + 90 = 61
b. x + 90 + 61 = 180
c. x + 61+ 90 = 90
d. x + 61 = 180
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Ответ:
Given
2.m∠7=m∠8
If lines ||, corresponding angles =.
3.m∠6=m∠7
Substitution
4.a||b
If alternate interior angles equal, then lines ||.