Question

what is the measure of ∠dcf? the measure of ∠dcf is degrees.

Explanation:

Step1: Identify angle - sum relationship

$\angle DCF=\angle DCE+\angle ECF$

Step2: Substitute given angles

$\angle DCF = 75^{\circ}+54^{\circ}$

Step3: Calculate sum

$\angle DCF=129^{\circ}$

Answer:

$129$