Answer:

Hence, Option 'C' is true.
Step-by-step explanation:
Given the expression

Apply distributive law: 
Here: 
so the expression becomes

∵ 
Therefore,

Hence, option 'C' is true.
Answer:
m∠E= 37°
m∠F=37°
Step-by-step explanation:
Total angle value: 180°
180-106=74
The lengths are the same, so we can determine that the angles E and F are the same. So we divide 74 by 2
74/2= 37
m∠E= 37°
m∠F=37°
Hope this helps! Have a nice day :)
Answer:
6
Step-by-step explanation: