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If m<DCF =90 what is m<DCE

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Final answer:

The measure of angle DCE is 90 degrees.

Step-by-step explanation:

To find m <DCE, we need to use the fact that the angles in a triangle add up to 180 degrees.

Since m <DCF is 90 degrees, this means that DCF is a right angle. Therefore, the sum of m <DCF and m <DCE must be 180 degrees.

So, m <DCE = 180 - 90 = 90 degrees.

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