Posted by **Drake** on Sunday, July 7, 2013 at 1:58am.

In triangle ABC, ∠A=20∘ and ∠B=80∘. Let D be a point on line segment AB such that AD=BC. What is the measure (in degrees) of ∠ADC?

- Math (Geometry) -
**MathMate**, Sunday, July 7, 2013 at 6:12am
See:

http://www.jiskha.com/display.cgi?id=1373027638

- Math (Geometry) -
**lin**, Sunday, July 7, 2013 at 8:31am
150

- Math (Geometry) -
**MathMate**, Sunday, July 7, 2013 at 9:30am
That's true, it should be the supplement of asin()=180-31.6=148 (nearest degree).

## Answer This Question

## Related Questions

- heeeeeeeelp math - In triangle ABC, ∠A=20∘ and ∠B=80∘. ...
- Math (Geometry) - ABCD is a parallelogram with side lengths AB=15,BC=10 and &#...
- geometry!!! please help me!!!! - ABC is a triangle with ∠ACB=45∘. D ...
- Maths - ABCD is a parallelogram with side lengths AB=15,BC=10 and ∠ADC=75...
- geometry - ABCD is a rectangle. On line segment AB, E is a point such that &#...
- 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, ...
- geometry! - ABC is an isosceles triangle with AB=AC, ∠BAC=96∘. D is ...
- simple GEOMETRY!! - In triangle ABC, ∠ABC=30∘,∠ACB=60∘. ...
- geometry(triangle) - Triangle ABC is a right triangle with ∠ABC=90∘...

More Related Questions