Question

Fan & Medal
Calculate the m CLA , given m AC = 170° and m AKC = 190°.
90°

40°

20°

10°

http://static.k12.com/eli/bb/817/-1/0/2_36869_44974/-1/5c45df68fdad740c9f94d22ea5f92dd60c7a03f7/media/8629bd6835f4b15b6e8e10437bb1d797e08f95d1/mediaasset_651841_1.jpg

Answer 1

@freckles @speartonion @Afrodiddle

Answer 2

i forget the name of the property, but when you have two tangents to the circle intersecting, the angle between them is half the difference between the larger arc and the smaller arc angles

Answer 3

so,

CLA = (1/2)*(AKC - AC)

Answer 4

Number 5 here for reference...
http://www.regentsprep.org/Regents/math/geometry/GP15/CircleAngles.htm

Answer 5

so cla=10

Answer 6

yes

Answer 7

the drawing is not accurate...

Answer 8

With those arcs, it is more like that

Answer 9

okay thank you !

Answer 10

welcome