Question

In Fig. 15.39, CE || AB,angle ABC=65° and angle ECD=60°.Find angle BCE.​

Answer 1

Answer:

Angle BCE = 120

Step-by-step explanation:

CE || AB

Angle ABC =65 and angle ECD =60

Let angle BCE = x

angle BCE =angle BCE +angle ECD = 180.......angle in linear pair

= x + 60= 180

=x=180-60

x=120

hence angle BCE = 120

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