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3 years ago

Prove <4 and <1 are supplementary.

Mathematics

2 answers:

nignag [31]3 years ago

8 0

Answer:

the = 180

Step-by-step explanation:

Radda [10]3 years ago

4 0

Answer:

proof:

Triangle is isosceles, so angle 4 and 5 are equal

Angle 5 + Angle 1 = 180°

Angle 4+ Angle 1 = 180°

Step-by-step explanation:

<4 ≅ <5. <5 + <1 = 180° <4 + <1 are supplementary

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DaniilM [7]

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$\boxed{0.2}$

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Comment on the above result

The number above came from the Google calculator (2nd attachment). Surprisingly, it is rounded incorrectly in the last displayed digit. To 20 significant digits, the value is ...

0.23781036584658190876

It appears the Google calculator didn't carry enough digits to get the answer correct in the last displayed decimal place.