Answer:
log₃(243) = x
Step-by-step explanation:
3^x = 243
Rule: a^x = b -> logₐ(b) = x
6x + 1 + 29 = 90
6x + 30 = 90
6x = 90 - 30
6x = 60
x = 60/6
x = 10
its D
basically all you have to do if cut off the semicircles fins their areas then find the rectangles area and add them all up
