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Lapatulllka [165]
3 years ago
10

Find angle sum therom ​

Mathematics
2 answers:
Ksenya-84 [330]3 years ago
7 0

Step-by-step explanation:

we know that,

  • sum of all angles of triangles is equal to 180°

Then,

33° + 87° + x = 180°

x = 180° - 120°

<h3>x = 60°</h3>

Now,

we know that,

  • sum of all angles which lies on a straight line is equal to 180°

Then,

x + y = 180°

60° + y = 180°

<h3>y = 120°</h3>

Hence,

The value of y = [120]°

cluponka [151]3 years ago
4 0

Answer:

y = 120°

Step-by-step explanation:

angles in a triangle add up to 180 degrees

180 - (87 +33) = 60

x = 60 degrees

angles on a straight line add up to 180 degrees

180 - 60 = 120

y = 120

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