Answer:
x=6
Step-by-step explanation:
We can use ratios to determine the value of x
x 9
------ = ----------
10 15
Using cross products
15x = 9*10
15x = 90
Divide each side by 15
15x/15 =90/15
x = 6
Answer: Angles are supplementary if and only if their sum is 180° is true.
Step-by-step explanation:
Test by making both parts negative: Angles are not supplementary if and only if their sum is not 180° This is also true.
Triangle CED = 47°
Triangle BEC = 28°
360 - 28 - 47 - 112 = 173
The answer = 173°
Answer:
It is(-1,5)
Step-by-step explanation:
You just divide the (-3,15) by 3 and you get your answer.
Answer:
15
Step-by-step explanation:
60 divided by 4
