Answer:
86cm
Step-by-step explanation:
Answer:
I can help with number 7 if you want
Answer:
b=22°
Step-by-step explanation:
because b+42=b+b-20
b+42=2b-20
b-2b=-20-42
-b=-22
b=22°
Answer: a=1,b=1
Step-by-step explanation:
b
There are 5 points in the figure (<em>V</em>, <em>W</em>, <em>X</em>, <em>Y</em>, and <em>Z</em>)
<em>a</em> refers to the line through <em>V</em>, <em>W</em>, and <em>X</em>.
<em>b</em> refers to the line through points <em>Y</em>, <em>W</em>, and <em>Z</em>.
<em>D</em> refers to the plane that contains all 5 points as well as the 2 lines.