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Answer:
380.13
Step-by-step explanation:
Use the formula A = π r squared
A= π (11)squared
Answer:
15. a, 16. ∠GOH = 26
Step-by-step explanation:
15. A straight angle looks as a line.
16. ∠GOI = ∠GOH + ∠HOI
47 = ∠GOH + 21
∠GOH = 47 - 21 =26
∠GOH = 26
Answer: 2*(n-7) , (Twice the difference of a #' and 7') .