A store bought a dog calendar at a cost of $5.20 and marked it up 150%. Will bought it and paid 4% sales tax. What was his total cost?

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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it would open into a square depending on the type of envelope i’m not sure about the second part

i believe the answer is 323 ft

step-by-step explanation: