Question

if XY || BC , find the measure of ∠ABC in the following figure.​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

c=50⁰ corresponding angles

180⁰=angle a +angle b+ angle c

180⁰=83+angle b+ 50⁰

180⁰-133=47⁰

angle b=47⁰