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Tanzania [10]
2 years ago
10

The diameter of a circle is 18 centimeters. What is the area? Give the exact answer in simplest form

Mathematics
1 answer:
alina1380 [7]2 years ago
7 0

Answer:

254.47

Step-by-step explanation:

Formula is pi r^2

the radius is 9 which is half of the diameter

pi 9^2

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Need help ASAP <br> Integrated math ll
Solnce55 [7]

Answer:

∠ EFH = 112°

Step-by-step explanation:

∠ ACD and ∠ EFH are Alternate exterior angles and are congruent, thus

11x - 20 = 9x + 4 ( subtract 9x from both sides )

2x - 20 = 4 ( add 20 to both sides )

2x = 24 ( divide both sides by 2 )

x = 12

Thus

∠ EFH = 11x - 20 = 11(12) - 20 = 132 - 20 = 112°

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3 years ago
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VikaD [51]

Answer:

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Step-by-step explanation:

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3 years ago
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