Answer:
Yes
Step-by-step explanation:
two of the different sides match
Answer:
60 degree
Step-by-step explanation:
E,A,D is a straight line .
Straight line=180 degree
100+20=120 -180=60
therefore X=60
Answer:
HL
Step-by-step explanation:
It's a right triangle.
Number 3 is the correct answer