Question

If a chord of circle with radius 5 cm subtends a right angle at the centre , then length of chord is

Answer 1

use Pythagorean theorem then..........

Answer 2

5^2 + 5^2 = c^2
25+25 = c^2
50 = c^2
c = sqrt(50)

Answer 3

Yes the answer would be radical 50.

Simplify radical(2-25) =\[5\sqrt{2}\]