3) MD=ED
MJD=EVD
JD=VD
TriangleMJD=TriangleEVD
by SAS
4) BE=AE
ER=ER
BR=AR
TriangleBER=TriangleAER
by SSS
Equation:
2j + 5 = 17
- 5 - 5
2j = 12
j = 6
Hope I helped!
1)
csc Ф=hypotenuse / opposite=15/9=5/3
<span>
Answer: csc Ф=5/3</span>
2)
answer: the side CT is the hypotenuse because it is in front of the right angle.
3)
cotan Ф=adjacent/ opposite=12/9=4/3
answer: cotan Ф=4/3
4)
sin (-360º)=sin (0º+(-1)(360º)=sin 0º=0
Answer: sin (-360)=0
5)
cos (-90º)= cos (90º)=0=0
answer: cos (-90º)=0
Answer: 31?
Step-by-step explanation: