Step-by-step explanation:
<h2>
Answer:</h2>
Both angles will add up to 180°, so we set up a equation where (4x - 19)° and (6x + 9)° equal 180°.
Our answer is <em>x = 19</em>.
Answer:
A
Step-by-step explanation:
Turn into equation
2n+10=16
Subtract 10 from both sides
2n=6
Divide by 2 from both sides
n=3
Answer:QB = 1/2 QE
QC = CF
DE = 2AB
Step-by-step explanation: hope it works