SOLUTION: A chord subtends an angle of 100 degrees at the centre of a circle of radius 4.9cm. Find the length of the chord.

Algebra ->  Circles -> SOLUTION: A chord subtends an angle of 100 degrees at the centre of a circle of radius 4.9cm. Find the length of the chord.       Log On


   

Question 1126225: A chord subtends an angle of 100 degrees at the centre of a circle of radius 4.9cm. Find the length of the chord.
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
The length of the chord = 2r*sin(50°) = 2*4.9*sin(50°).

Use your calculator.