Use the completing the square method to transform the equation 22 + 2x = 13 into an equation of (x+a)? =b, where a and b are real numbers. What are the values of a and b?
Enter your answers in the spaces provided.
Part A
What is the value of a?
Part B
What is the value of b?

we know that

applying the law of sines

°

so

∠j=18°

∠k=29°

∠l=180-(18+29)=133°

the answer part a) is

the measure of angle k is  ≈29°

part b)  the measure of angle k could also be

(180-29)=151°

so

∠j=18°

∠k=151°

∠l=180-(18+151)=11°

the answer part b) is

the measure of angle k could also be 151°

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