Question

please help me for 15th​

Answer 1

Answer:

130degree

Step-by-step explanation:

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Answer 2

Answer:

ECD=140⁰

Step-by-step explanation:

since ABIICDIIEF

thus angle BAE+angle AEF=180⁰(co.int.angle)

105+AEF=180

AEF=180-105

=75⁰

now, angle CEF=75-25=40⁰

then , again angle CEF+ angle ECD=180⁰

angle ECD=180-angle CEF

=180-40

=40⁰

thus x=40⁰