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balandron [24]
3 years ago
9

Find the are of the green in the circle.

Mathematics
1 answer:
GaryK [48]3 years ago
5 0

Answer:

  25.12 cm²

Step-by-step explanation:

The area of a circle is given by the formula ...

  A = πr²

where r is the radius. Here, the diameter is given as 8 cm, so the radius will be half that, or 4 cm. The area is then ...

  A = 3.14(4 cm)² = 50.24 cm²

The green shaded part is 1/2 a circle, so is half this area:

  shaded area = 25.12 cm²

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