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12345 [234]
3 years ago
15

Find the missing angle measure in each figure​

Mathematics
1 answer:
Brrunno [24]3 years ago
8 0

Answer:

x = 100°

Step-by-step explanation:

The sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

here n = 7, hence

sum = 180° × 5 = 900°

Sum the given interior angles and equate to 900

x + 155 + 116 + 135 + 135 + 116 + 143 = 900

x + 800 = 900 ( subtract 800 from both sides )

x = 100°

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Answer:

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Step-by-step explanation:

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oee [108]

Answer:

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Step-by-step explanation:

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Answer:

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2 years ago
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Vlada [557]

Answer:

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Step-by-step explanation:

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Let's find his original rate:

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