3 years ago

Can someone pls help me I’m so confused!!! :(

Mathematics

1 answer:

Naddika [18.5K]3 years ago

4 0

Answer:

u = 150

Step-by-step explanation:

Number of vertices:

Find the sum of the interior angles:

180(n - 2)

180(10 - 2)

180(8)

1440

To find u:

u = 1440 - (130 + 145 + 160 + 150 + 130 + 150 + 125 + 155 + 145)

u = 1440 - (1290)

u = 150

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