Answer:
x=5ft
Step-by-step explanation:
3 is half of 6, so triangle DEF is half as big as triangle ABC. Hope this helps.
Answer:
We get value of y: y = 2
Step-by-step explanation:
The points (3,5) and (2, y) are on a line with a slope of 3. Find y.
We can find y using formula of finding slope of a line.
The formula is: 
We have
and Slope = 3
Putting values and finding y

So, we get value of y: y = 2
Answer:
X=-4
Step-by-step explanation:
Answer:
It's an angle bisector and it was found using a compass
Step-by-step explanation:
First you use the compass to make a marking in the angle
Then you move the compass to the D and make another marking after that you move the compass to E (Make sure to use the same compass setting) and make a marking that intersects with the marking of D which creates F. Last you use a straight edge to make the angle bisector of ABC. (Sorry if you don't understand this it was difficult for me to explain)