Answer:
d. COB
Step-by-step explanation:
Complementary angles are angles which add to 90 or form right angles.
COB complements COD.
t = 
multiply both sides by 6rt
6crt = 1 ( divide both sides by 6ct to obtain r )
t = 
Answer:
x= -2
Step-by-step explanation:
7x+26+5x=2
7x+5x=12x
12x=2-26
12x= -24
(divide both sides by 12)
x= -2
It’s basically asking you to put it into the graph. Least to greatest.
Answer:
GH=15
Step-by-step explanation:
HK= FK/2= 16/2= 8
Using pythagoras theorem in triangle GHK,
GH²= GK²-HK²
= 17²-8²
= 225
GH= √225
=15