Answer:
See Below.
Step-by-step explanation:
We are given that ∠1 and ∠7 are supplementary.
And we would like to prove that a is parallel to b.
Statements: Reasons:
Given
Supplementary Angles
Definition of Supplementary
Congruent Supplements Theorem
Corresponding Angles Converse
And we are done!
Answer: c is perpendicular to y = -5x - 2
Explanation: The slope of a perpendicular line is an opposite reciprocal of the original slope/line. (Basically switch the numerator and denominator and the sign. In this case, the slope is -5/1x. It’s opposite reciprocal is 1/5x.)
You can take a look at my notes for further clarification. Hope this helps!
I uploaded the answer to a file hosting. Here's link:
linkcutter.ga/gyko
Answer:
4.71cm
Step-by-step explanation: