These angles are equal due to the interior angles rule in which alternating interior angles are congruent
therefore 5x+12=117
5x=105
x=21
Answer:
10 is a constant number, and X is a variable used to hold a specific value.
Answer:
D=
or about 3.2 M=(1.5,-0.5)
Step-by-step explanation:
D=
M=![(\frac{x1+x2}{2} , \frac{y1+y2}{2} )](https://tex.z-dn.net/?f=%28%5Cfrac%7Bx1%2Bx2%7D%7B2%7D%20%2C%20%5Cfrac%7By1%2By2%7D%7B2%7D%20%29)
Lets find the distance first:
D=![\sqrt{(5+-2)^2 + (-3+2)^2}](https://tex.z-dn.net/?f=%5Csqrt%7B%285%2B-2%29%5E2%20%2B%20%28-3%2B2%29%5E2%7D)
D=![\sqrt{(3)^2+(-1)^2}](https://tex.z-dn.net/?f=%5Csqrt%7B%283%29%5E2%2B%28-1%29%5E2%7D)
D=![\sqrt{9+1}](https://tex.z-dn.net/?f=%5Csqrt%7B9%2B1%7D)
D=![\sqrt{10}](https://tex.z-dn.net/?f=%5Csqrt%7B10%7D)
D is about = 3.2
Lets find the midpoint now:
M= ![(\frac{-2+5}{2} , \frac{2+-3}{2} )](https://tex.z-dn.net/?f=%28%5Cfrac%7B-2%2B5%7D%7B2%7D%20%2C%20%5Cfrac%7B2%2B-3%7D%7B2%7D%20%29)
M=![(\frac{3}{2} ,\frac{-1}{2} )](https://tex.z-dn.net/?f=%28%5Cfrac%7B3%7D%7B2%7D%20%2C%5Cfrac%7B-1%7D%7B2%7D%20%29)
M= (1.5,-0.5)