Question

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

Answer 1

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

Explanation:

Answer 2

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 √(2))^(2) * \pi = 8\pi =23.13`