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ch4aika [34]
3 years ago
12

In circle E with m DEF 36 and DE = 3 units find area of

Mathematics
1 answer:
deff fn [24]3 years ago
4 0

Answer:

A ≈ 2.83 units²

Step-by-step explanation:

The area (A) of the sector is calculated as

A = area of circle × fraction of circle

   = πr² × \frac{36}{360}

   = π × 3² × \frac{1}{10}

    = \frac{9\pi }{10}

   ≈ 2.83 units² ( to the nearest hundredth )

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3 years ago
A scale of a model of a new building was created for approval by the city. The scale of the model is 3 inches=20 feet. If the mo
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Answer:

400 feet

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Answer:

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