Monday

October 20, 2014

October 20, 2014

Posted by **emergency!!! 33** on Monday, February 11, 2013 at 1:26am.

- geometry -
**Steve**, Monday, February 11, 2013 at 4:55am∠ADE = 90-17 = 73°

∠ECD = ∠CEB = 29°

∠DEC = 180 - (73+29) = 78°

**Answer this Question**

**Related Questions**

Math (Geometry) - ABCD is a parallelogram with side lengths AB=15,BC=10 and &#...

Math (Geometry) - In triangle ABC, ∠A=20∘ and ∠B=80∘. ...

Maths - ABCD is a parallelogram with side lengths AB=15,BC=10 and ∠ADC=75...

heeeeeeeelp math - In triangle ABC, ∠A=20∘ and ∠B=80∘. ...

geometry!!! please help me!!!! - ABC is a triangle with ∠ACB=45∘. D ...

geometry! - ABC is an isosceles triangle with AB=AC, ∠BAC=96∘. D is ...

geometry! - ABC is an acute angle triangle with points D and E on BC and AC, ...

geoMETRY! - ABC is an acute angle triangle with points D and E on BC and AC, ...

simple GEOMETRY!! - In triangle ABC, ∠ABC=30∘,∠ACB=60∘. ...

geometry(triangle) - Triangle ABC is a right triangle with ∠ABC=90∘...