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What is the value of u

What is the value of u-example-1

1 Answer

6 votes

Answer:

u=66°

Explanation:

let number of sides=n

sum of interior angles=(n-2)×180

2u+1+3u-49+2u+118+141+u+50+2u+16+143=(8-2)×180

10u+1-49+118+141+50+16+143=6×180

10u+ 4 69-49=1080

10u=1080-420

10u=660

u=660/10=66°

User Muhammad Kamal
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