Answer: They are similar but not congruent.
Step-by-step explanation: hope this help
Answer:
Yes i
Step-by-step explanation:
A supplementary angle can be two angles that sum up to 180 if you want you can have 2 angles that are 90 degrees that add up to 180 so therefore that would make a right angle.
Answer: 

<u>Step-by-step explanation:</u>
The line can be named using ANY two points on the line or using the lower case letter.
The segment can be named by placing the letters in any order.

Answer:
base radius is 10 cm.
Step-by-step explanation:
there