Question

Consider these four points: A(4,3), B(1/2,1/5), C(0.6,0.7), and D(3/4,7√/4).

Which point lies on the circumference of the unit circle?

Point _______________ lies on the circumference of the unit circle.

Answer 1

that would be the one that is 1 unit away from the centre (0,0)

Answer 2

use the distance between two points formula

Answer 3

-- that means the 2 coordinates must fir the equation
1^2 = x^2 + y^2

Answer 4

so the answer is????

Answer 5

thats up to you to work out

Answer 6

we just give you hints

Answer 7

ok