The error would be assuming the altitude is a bisector and divides the sides evenly.
Answer:
, Option B
Step-by-step explanation:
Given, 
Formula needed,

Therefore,






Option B is correct.
Answer:
Hi
Step-by-step explanation:
I feel like this question is hard to say but I will try my best. 1st one is pparallel, 2 is perpendicular, 3 is perpendicular and 4 is parallel.
#Im only in 15th grade