I don’t understand this question
A experiment because he has a question to test and he can use observations and everything like that to test a question
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√12*√18
2√3√18
2√3 x 3√2
2 x 3√3 x 2
2 x 3√6
6√6 or 14.696938
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In triangle ACE,
we know C=93,E can be calulated by using arch angle AEC...what ever that is....,using this we get A=180-(E+93)
So, by alternate segment theorem, DCE= A.
thats all i can say.