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Veronika [31]
3 years ago
10

Find the measure of each angle indicated

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
5 0
Take 145-115 because for this your supposed to add all numbers inside to get exterior angle so you would do 145-115=30
R would be 30
R=30
Hope this helps
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Answer:

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Step-by-step explanation:

The formula is :  ...(1)

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or

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