Nancy has a string 12.75 inches long. She cut pieces that are 1.25 inches long. How many pieces of this size can she cut?

10

Step-by-step explanation:

Divide 12.75 by 1.25

you get 10.2

She can cut 10 strings but has 0.2 string leftover

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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