Answer: 90º
Step-by-step explanation: complimentary angles are either of the two angles whose sum is 90º
Answer:
1 17/24
Step-by-step explanation:
angle A = 30
(2x-9) = (2x+21)
+9 +9
2x=2x+30
-2x -2x
=30
Answer:
x = -3
Step-by-step explanation:
7 + 2x/3 = 5
3 . 7 + 2x
-------------- = 5
3
21 + 2x
----------- = 5
3