Answer:
perpendicular
Step-by-step explanation:
They form a 90 degree angle
4x-35=9x
-4x
-35=5x
divide by 5
x= -7
Answer:
(9, <u>81</u>) (<u>8</u>, 71)
Step-by-step explanation:
My explanation is in the picture. All I did was replace the known variable with the proper letter!
BC = 6 km
<u>/</u><u> </u> ACB = 34°
AC = ?
cos 34° = 
=> 0.829 = 
=> AC = 
=> AC = 7.23763570567
=> AC = 7 km
=> AC = 10 km
(nearest tenth)

<h3>Answer : 10 km</h3>

HOPE IT HELPS
PLEASE MARK ME BRAINLIEST ☺️