Question

pls tell ans will mark​

Answer 1

Answer:

x=50

Step-by-step explanation:

join cb

then angle b=100

then angle eba =80

triangle =180

180=50+80+x

180-130=x

x=50

boom

Answer 2

Answer:

construct a line CF || AB

SO that angle EAB= angle EFC=50°

(corresponding angles)

angle ECD= angle ECF=100° (Linear pair)

angle EFC+angle FCE+angle CEF=180°

(Angle sum property)

50°+100°+x°=180°

x=180°-150°

x=30°

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