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Lapatulllka [165]
1 year ago
12

= A C F xº E G 80° 160° D B

Mathematics
1 answer:
Vesna [10]1 year ago
5 0

The value of angle ∠AEF or ∠x is 80°.

<h3>What are angles?</h3>
  • When two straight lines or rays intersect at a common endpoint, an angle is formed.
  • An angle's vertex is the common point of contact.
  • The term angle is derived from the Latin word angulus, which means "corner."
  • The basic angles are Acute angle, Obtuse angle, Right angle, Straight angle, reflex angle, and full rotation.

So,

  • ∠CEB is 160° with EG being an angle bisector leaving ∠CEG = 80° and ∠BEG = 80°
  • FEG is a straight line with ∠FEG being 180°.
  • ∠FED + ∠DEB + ∠BEG = ∠FEG
  • 80° + ∠DEB + 80° = 180°
  • 160° + ∠DEB = 180°
  • ∠DEB = 180° - 160°
  • ∠DEB = 20°

Then,

  • ∠AEC = 20° = ∠DEB (Inversely opposite angles)

Now,

  • FEG is a straight line with ∠FEG being 180°.
  • ∠CEG + ∠AEC + ∠AEF = ∠FEG
  • 80° + 20° + ∠AEF = 180°
  • 100° + x = 180°
  • x = 180° - 100°
  • x = 80°
  • ∠AEF = 80°

Therefore, the value of angle ∠AEF or ∠x is 80°.

know more about angles here:

brainly.com/question/25716982

#SPJ9

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