Question

In the adjacent fogure, if angle A = 40°, CE || BA and angle ECD = 55°, Find Angle ACB and angle ABC​

Answer 1

Answer:

Hi ...!

Step-by-step explanation:

CE || BA. ( Given )

Angle BAC=Angle ACB ( Alternate Angle )

So 40 = Angle ACE

/_ECD+/_ACE+/_ACB= 180. ( Linear Pair Axoim )

So. 55°+40°+/_C = 180

95°+ /_C. = 180

/_C. =. 180 - 95

So. /_C = 85°

Now

In Triangle ABC

/_A+/_B+/_C = 180 ( Angel Sum Property )

40°+/_B + 85° = 180

/_ B + 125 = 180

/_B = 180 - 125

/_B = 55°

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Answer 2

Answer:

Angle ACB=85°

Angle ABC=55°

I hope this will help u dear