anonymous
  • anonymous
3.) Find the value of x for mAB =27°and mCD =49°. The figure is not drawn to scale. http://assets.openstudy.com/updates/attachments/501a0e4be4b02742c0b19d01-jkbo-1343884954655-mc00331.jpg my answer: 51.5 degrees. Is that correct? 4.) Find angle D for angle B = 65 degrees. The figure below is not drawn to scale. http://assets.openstudy.com/updates/attachments/51afce19e4b05b167ed287de-wimsicle-1370476078903-mc0043.jpg My answer: 50 degrees. Is that correct?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
@mathstudent55
anonymous
  • anonymous
@phi
mathstudent55
  • mathstudent55
3. x = 1/2( m(AB) + m(CD) )

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More answers

phi
  • phi
when "inside" the circle, the angle is the average of the two arcs
phi
  • phi
Q3 is wrong Q4 is correct
anonymous
  • anonymous
shoot. is it 76 degrees?
phi
  • phi
you want the average of 27 and 49
mathstudent55
  • mathstudent55
1/2(27 + 49) for problem 3.
anonymous
  • anonymous
22 degrees
mathstudent55
  • mathstudent55
Problem 4. |dw:1438713739527:dw|
mathstudent55
  • mathstudent55
(27 + 49)/2 = 76/2 = 38
anonymous
  • anonymous
Thank you for the corrections.
mathstudent55
  • mathstudent55
|dw:1438713844871:dw|
mathstudent55
  • mathstudent55
|dw:1438714030994:dw|
phi
  • phi
notice if we treat arcs that "bend the wrong way" as minus, then we can simplify the rule to "find the average of the arcs" in other words we do (a+ -b)/2
mathstudent55
  • mathstudent55
You are correct with 4.

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