Answer:
Step-by-step explanation:
The first one as it is a sloping straight passing through the origin.
84 degrees
The triangle is isosceles you know this from the 2 congruent sides marked 5
Thus angle F is 48 degrees
To find angle E-
180 - (48 + 48) = 84
Answer/Step-by-step Explanation:
4. Midpoint (M) of AB, for A(-2, -3) and B(1, 2) is given as:

Let 

Thus:


5. Given M(3, 5) as midpoint of CD, and C(-1, -1),
let 


Rewrite the equation to find the coordinates of D
and 
Solve for each:












Coordinates of D is (7, 11)