Question

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?

Answer 1

@mathstudent55

Answer 2

@phi

Answer 3

3. x = 1/2( m(AB) + m(CD) )

Answer 4

when "inside" the circle, the angle is the average of the two arcs

Answer 5

Q3 is wrong
Q4 is correct

Answer 6

shoot. is it 76 degrees?

Answer 7

you want the average of 27 and 49

Answer 8

1/2(27 + 49) for problem 3.

Answer 9

22 degrees

Answer 10

Problem 4.

Answer 11

(27 + 49)/2 = 76/2 = 38

Answer 12

Thank you for the corrections.