138,304 views
38 votes
38 votes
Pls help math problem

Pls help math problem-example-1
User Jianping
by
2.9k points

1 Answer

11 votes
11 votes

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°

User GuyFawkes
by
2.6k points
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