10pts help me out (Also EXPLAIN the reasoning you used to write the expression) and I’ll mark u brainliest!

Step-by-step explanation:

Expression:

Rectangle + rectangle.

So,

Then,

So the area is

Hope this helps plz hit the crown :D

the answer is b.

step-by-step explanation:

by the trigonometric ratio tangent, tangent equals opposite divided by adjacent.

therefore, tan(50) equals ac/3

multiply each side by 3 to get: ac=3tan(50)

the answer is b.