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GalinKa [24]
3 years ago
6

Pls help math problem

Mathematics
1 answer:
IgorLugansk [536]3 years ago
5 0

Answer:

angle plm+angle lpm+angle pml=180°[by angle sum property]

21°+angle lpm+38°=180°

59°+ lpm=180°

lpm=180°-59°

lpm=121°

lpm+npl=180°[by limear pair]

121°+npl=180°

npl=180°-121°

npl=59°

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