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atkinsonl1076
20.07.2019 •
Mathematics
What is the result when the number 83 is decreased by 1.6%?
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Ответ:
Ответ:
1, 6, 8 are each 55 degrees
2, 4, 5, 7 are each 125 degrees.
Step-by-step explanation:
We know 3 things that apply here:
1) When parallel lines are intersected by a transversal, the corresponding angles have the same measure. (the angles in the same position on the parallel line...2 and 4 are equal, 5 and 7 are equal, etc)
2) Two angles that form a straight line equal 180 degrees
3) Angles that are opposite each other (vertical angles) in this situation are equal. (1 & 6 are equal, 4 & 7 are equal)
So what would be angle #3 is 55 degrees. That means the supplemental angle, #4 is 125 degrees.
Which makes angle 7 125 degrees and angle 8 55 degrees.
And then you apply these rules for angles 1, 2, 5 and 6.
Please let me know if you have any questions.