anonymous
  • anonymous
The figure below shows a circle with two chords JM and KL intersecting at point S. The figure shows a circle with two chords JM and KL intersecting at point S. Grace took the measurements of the line segments and wrote them down as shown. Segment KS is 1.8 cm, segment SM is 2.5 cm, segment JS is 4.5 cm, and segment SL is 1.2 cm. Describe the method you use to prove that Grace took incorrect measurements. Use geometric theorems to write a two-column proof.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
@ganeshie8 how do i write a two column proof for this?
ganeshie8
  • ganeshie8
figure ?
anonymous
  • anonymous

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anonymous
  • anonymous
sorry
ganeshie8
  • ganeshie8
its okay :) jumped to circles is it... there is a theorem, intersecting chords or somthing... do u remember ? we can use that in two column proof... can u refer ur notes and see if u can find it ? :)
anonymous
  • anonymous
one sec :)
ganeshie8
  • ganeshie8
oki
anonymous
  • anonymous
http://www.mathopenref.com/chordsintersecting.html like this?
ganeshie8
  • ganeshie8
yes ! wat it says btw ?
anonymous
  • anonymous
A×B is always equal to C×D no matter where the chords are.
ganeshie8
  • ganeshie8
|dw:1378567995414:dw|
anonymous
  • anonymous
would it be something like this: 1.Segment KS is 1.8 cm, segment SM is 2.5 cm, segment JS is 4.5 cm, and segment SL is 1.2 cm -Given 2.JS x SM = KS x SL -Intersecting Chords Theorem 3.5(2.5)=1.8(1.2) -Given 4.11.25 ≠ 2.16 JS x SM ≠ KS x SL -Grace's measurements are incorrect
ganeshie8
  • ganeshie8
Yes ! so in our problem it must be, JS x SM = KS x KL
ganeshie8
  • ganeshie8
wow ! thats brilliant !!!!
anonymous
  • anonymous
is it right?
ganeshie8
  • ganeshie8
that looks neat, good work :)
ganeshie8
  • ganeshie8
yes 100% right
anonymous
  • anonymous
AWESOME! one last problem i promise? :)
ganeshie8
  • ganeshie8
okay lol u dont hav to promise :)

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