24kbhaddie 24kbhaddie

15-12-2021
Mathematics

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jimrgrant1 jimrgrant1

15-12-2021

Answer:

1st option

Step-by-step explanation:

ABC is a straight line

The 3 angles therefore sum to 180°

let l = k ( congruent angles ) , then

k + 126° + l = 180° , that is

2k + 126° = 180° ( subtract 126° from both sides )

2k = 54° ( divide both sides by 2 )

k = 27°

Then k = l = 27°

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