ollie6174 ollie6174

01-09-2018
Mathematics

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How do I find the unknown angles?

How do I find the unknown angles class=

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01-09-2018

so 1 and 2 are supplementary, meaning that they add up to 180. so 1 is 180-45, which is 135.

3 is a vertical angle to 1, so 1 and 3 are the same. that means that 3 is also 135

Answer:

m<1=135°

m<3=135°

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