Answer:
100° and 80°
Step-by-step explanation:
Ratio means they are sort of multiples of a certain number (which I used X) and A is 5 times X and B is 4 times X. Since they are supplementary they sum 180°. After summing up both angles and equaling them to 180°, solve for X and substitute in the original equations
Answer:
r=4.5 I hope this helped!
Step-by-step explanation:
Answer:
8.875
Step-by-step explanation:
If a segment is horizontal, its length is the difference between its x coordinates. If the result is negative, you need to consider the absolute value (or just pick the coordinates in the correct order, i.e. the bigger minus the smaller).
So, we have

