Answer:
97°
Step-by-step explanation:
you do 
and then 
which is the total sum of the two unknown vertical angles. once you have that, divide it by 2 to get 
as the measure of each individual unknow vertical angle
The formula for triangle area is b•h/ 1/2. so you would do 12•5=60. then divide that by 2 to get 30
There are many possible factors:
Hope this helps!!
Answer:
x=0, x=-4
Step-by-step explanation:
