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Please I really need help
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Please I really need help

Please I really need help-example-1
User Syed Waqas Bukhary
by
3.7k points

2 Answers

4 votes

Answer:

85°

Explanation:

The two angles are known as vertical angles, which are always congruent

User Tristyn
by
3.1k points
4 votes

Answer:

∠DEB = 85°

Explanation:

Vertical Angle Theorem

When two straight lines intersect, they form two pairs of angles. The vertically opposite (non-adjacent) angles are congruent.

Angles AEC and DEB are vertically opposite angles, therefore:

∠AEC = ∠DEB

As ∠AEC = 85° then ∠DEB = 85° also.

User Ryan Leonard
by
3.8k points
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