The aspect ratio of a TV screen is the ratio of the width to the height of the image. A regular TV has an aspect ratio of 16: 9.
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We need to calculate major arc AE
arc AE + AB + BD + DE = 360°
arc AE + 112 + 28 + 112 = 360°
arc AE = 108°
From the attachment we can see Angle ACE = .5 * (AE -BD)
Angle ACE = .5 * (108 -28)
Angle ACE = .5 * (80)
Angle ACE = 40°
answer is C
arc AE + AB + BD + DE = 360°
arc AE + 112 + 28 + 112 = 360°
arc AE = 108°
From the attachment we can see Angle ACE = .5 * (AE -BD)
Angle ACE = .5 * (108 -28)
Angle ACE = .5 * (80)
Angle ACE = 40°
answer is C