Answer:
0.5
Step-by-step explanation:
I found this out because I am smart
Answer: 1 and 3
Step-by-step explanation:
Answer:
Part 1) 
Part 2) 
Part 3) 
Step-by-step explanation:
see the attached figure to better understand the problem
step 1
Find the value of x
we know that
---> by addition segment postulate
we have

substitute

solve for x




step 2
Find the value of EF

substitute the value of x

step 3
Find the value of FG

substitute the value of x

17.2 • 3.1
= 53.32
hope this helped :p