Pls help what is -4 (3 - r) =8

-4(3-r)=8

(-4)(3)+(-4)(-r)=8

-12+4r=8

4r-12=8

4r-12+12=8+12

4r=20

4r/4=20/4

r=5

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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a) 32pie square meters

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