Question

a chord of circle of a radius 6 cm is making an angle 90° at the centre find the length of the chord​

Answer 1

$\huge\underline\bold\color{red}\mathfrak{Answer}$

We use pythagoras theorem,

(hypo)² = (height) ² + (side) ².........(1)

Here hypo is the length of the chord(opposite to 90°)

Height and side are the radii of the circle = 6 cm

Substituting the values in equation (1),

(hypo)² = 6² + 6²

Hypo = √36 + 36 = √36(1+1) = 6√2 cm

Hypotenuse = length of the chord = 6√2 cm

#answerwithquality

#BAL

#WMK