Math, asked by bbno, 6 hours ago

can anyone explain me this question from my attachment please , I will mark you brainlist , please ​

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Answers

Answered by rushikeshg86
0

Answer:

Angles ACD and DCB are a linear pair. Sum of these angles = 180 deg

ACD + DCB = 180 deg

CE is bisector of angle ACD.

CF is bisector of angle DCB.

To prove that angle ECF = 90 deg.

ECF = ECD + DCF = 1/2 ACD + 1/2 DCB

        = 1/2

Step-by-step explanation:

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