The area of Marcia's trapezoid felt is 76.5 sqaured centimeters
Your question seems a bit incomplete, but for starters you can write

Expanding where necessary, recalling that

, you have

and you can stop there, or continue to rewrite in terms of the reciprocal functions,

Now, since

, the final form could also take

or
Answer:
i think that looks right
Step-by-step explanation:
what do you have to do??
Answer:
60inces
Step-by-step explanation:
Answer:

Step-by-step explanation: