A horizontal line has points A , E, D. A line extends vertically from point E to point C and forms a right angle at C E D. A lin

Question

3 years ago

9

A horizontal line has points A , E, D. A line extends vertically from point E to point C and forms a right angle at C E D. A lin

e extends up and to the left from point E to point B.
Which statement is true about the given information?

∠CED measures 45°.
∠CED measures 180°.
∠AEC measures 90°.
∠AEC measures 45°.

Mathematics

2 answers:

Trava [24] · Answer 1 · 2022-05-08T04:39:25+03:00

Trava [24]3 years ago

9 0

Answer:

The answer is 90

Step-by-step explanation:

I just took the test.

iogann1982 [59] · Answer 2 · 2022-05-08T02:42:29+03:00

Answer:

∠AEC measures 90°

Step-by-step explanation:

Angle AED is a "straight angle", so angles AEC and CED are a linear pair. The angles of a linear pair are supplementary, so angle AEC is supplementary to right angle CED:

∠AEC = 180° -∠CED = 180° -90°

∠AEC = 90°