Question

In a circle of radius 6cm, calculate to one significant figure the length of a chord which is 4cm from the center of the circle

Answer 1

Answer:

according to Pythagoras theorem

hypotenuse is 6cm

opposite side is 4cm

adjacent side is x

Step-by-step explanation:

according to Pythagoras theorem,

(6)^2 = (4)^2+(x)^2

36 = 16+(x)^2

(x)^2 = 20

x = 2√5 cm