Question

If in a circle, a chord of length 5 root 2 cm makes a right angle at the centre, then the length of the radius of the circle is (in cm)

Answer 1

let radius be r
r^2+r^2=(5√2)^2
2r^2=50
r^2=25
r=5cm

Hope it helps!!

Answer 2

Answer: 5

Step-by-step explanation:

Let r be the radius of circle

r^2+r^2=(5√2)^2

2r^2=50

r^2=25

r=5cm