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lisabon 2012 [21]
3 years ago
10

A circle has equation x2 + y2 = 8 Find the area of the circle.

Mathematics
2 answers:
Art [367]3 years ago
6 0

Answer:

because the circle has equation: x² + y² = 8

=> the circle has the centre I(0;0)

the radius R = 2sqrt(2)

=> the area of the circle =

(2 \sqrt{2})^{2}   \times \pi  = 8\pi =23.13

alekssr [168]3 years ago
5 0

Answer:

x=4 y=0 or x=2 y=2 or x=0 y=4

Step-by-step explanation:

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