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IrinaVladis [17]
1 year ago
15

Help me please? I don’t understand.

Mathematics
2 answers:
Mazyrski [523]1 year ago
6 0
Use a protractor
It can’t help measure your lines
liberstina [14]1 year ago
4 0

Answer:

90°

Step-by-step explanation:

This is important to remember, the three interior angles will always have a sun of 180.


knowing this it’s pretty basic math

a + b + c = 180

33 + 57 + c = 180

90 + c = 180

[subtract 90 from each side (90 cancels out)]
c = 90°

…

Check
- > 33 + 57 + 90 = 180

33 + 147 + = 180

180 = 180

Check!

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Step-by-step explanation:

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