I would but I don’t know how to explain it all!
Answer:
9/13
Step-by-step explanation:
Answer: 
Step-by-step explanation:
By the Pythagorean theorem, the unknown side has length

Therefore,

I cant help you there m8 the I'm not able to see the problem I'm sorry.
Its 216 square feet because 24 x 18 / 2 = 216 (divided by two because its a triangle)