Math, asked by 888subhash, 7 months ago

Pls solve this question ....

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Answers

Answered by shauryasirohi09

1

Step-by-step explanation:

angle sum property of a triangle...

x+2x+3x=180

x=30

also bc is a straight line...

then

x+90+angleECD =180

angle ECD=180-120

=60

Answered by priyanshuraj04

1

Answer:

60

Step-by-step explanation:

3x + 2x + x =. 180

6x =180

x = 30

x + 90 + ECO = 180

30 +90+ECO = 180

ECO = 180-120

ECO = 60

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