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Hi Anugerah! For this question the small - on the diagram means that the lines are of the same length.. once you have that figured out you can use 2 area of triangle to find the area of square CDEF. And you need to be able to see that CE is a radian therefore CE=CA=CB=38. Once you have this information solving the rest of B should not be a problem.
Date Posted:
4 years ago