You haven't provided the steps.
mathisfun.com/geometry/construct-linebisect.html
Here is a useful link to the correct steps. The instructions may not be exactly the same but I think you can do it.
Answer: 36in2
Step-by-step explanation:
A= base *height
=12*3
=36
Answer:
what is 40 plus 60
Step-by-step explanation: