SOLUTION: Please help me with this Question.,A chord of lenght 24cm is 13cm from the centre of the circle. Calculate the radius of the circle.And (the distance of a chord of a circle,or radi

Algebra ->  Pythagorean-theorem -> SOLUTION: Please help me with this Question.,A chord of lenght 24cm is 13cm from the centre of the circle. Calculate the radius of the circle.And (the distance of a chord of a circle,or radi      Log On


   

Question 984327: Please help me with this Question.,A chord of lenght 24cm is 13cm from the centre of the circle. Calculate the radius of the circle.And (the distance of a chord of a circle,or radius 5cm,from the centre is 4cm.calculate the lenght of the chord)
Found 2 solutions by ikleyn, solver91311:
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!

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1. A chord of length  24 cm  is  13 cm  from the center of the circle.
      Calculate the radius of the circle.
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What you are given is in the Figure 1.


          Figure 3.

Find the radius  r  as the hypotenuse of the right-angled triangle with the legs  12 cm  and  13 cm:

r = sqrt%2812%5E2+%2B+13%5E2%29 = sqrt%28144+%2B+169%29 = sqrt%28313%29 = 17.692 (approximately).



Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!

See diagram

John

My calculator said it, I believe it, that settles it