For each problem, use the inscribed angle theorem.
19.

20.

21.

LN is a diameter, so arc LN has measure 180º, and so

Answer:
Step-by-step explanation:
c. Look for a common factor in each term.
Answer:

Step-by-step explanation:
Hello
To simplify the polynomial we must eliminate the parentheses
by definition


I hope it helps
Have a great day
Answer:
Maybe 180° -50° = 130°
So I think x= 130°
Step-by-step explanation:
My opinion though
Answer:
A = 16
Step-by-step explanation:
Taken together, the triangles form a square whose side length is 4. The area is ...
A = s² = 4²
A = 16