I calculated and got 314.16
The answer would be 48...
If you're looking for c, then the answer is 6 in. I found this answer by using a2+b2=c2 So 4 squared + 5 squared = 41. So then i found the square root of 41 which is 6.40, which rounds to 6.
Https://www.symbolab.com/solver/function-asymptotes-calculator this is a good asymptote calculator
Here a photo of the answer. The first thing you have to do is split the figure into separate shapes. Find the area of the shapes, then add them all together.
