Is there a picture that I can see of the question
Answer:
8 ft^2
Step-by-step explanation:

area of ABC is:

area of ABC is 18 square ft, then

now you can find h1 and the area for EFG
Answer:
45°
135°
Step-by-step explanation:
Let the measure of one angle be x
So, measure of its supplementary angle = 3x

I would say its b) all real numbers