D because if you do a rate problem you do 50 times what equals 100 so times two then you do 32 times two
Are you asking about the percent of change?if so the answer is 33.3%.
Here’s a photo on how to do it! If you need help in more problems like this use a website called Symbolab!! It’s really helpful!!
Answer:
I will let you answer this after reading below
Step-by-step explanation:
a=area


write a in terms of d

since it's a semicircle divide a by 2 and that's your answer
I can confirm you answer if you like in a comment