Posted by **ashley** on Friday, October 15, 2010 at 12:31pm.

the sum of the four angle measures of any convex quadrilateral is 360 degrees. if a certain convex quadrilater has angle measures of 60, 2y-10, and 10y+5 degrees, what is an expression for the degrees measure of the fourth angle?

## Answer this Question

## Related Questions

- algebra - The sum of the angles of a triangle is 180 degrees. If one angle ...
- Geometry - What is the sum of the measures of the interior angles of a convex ...
- math - Q. The sum of the measures of two supplementary angels is 180 degrees. If...
- geometry - The following are angles in a convex quadrilateral: Angle A = 75.3 ...
- algebra. - problems about angles: Hi. I needed help on some problems for the ...
- algebra - In any triange, the sum of the measures of the angles is 180degrees. ...
- Algebra - Angle A is three times the measure of angle B. The sum of their ...
- geometry - Given a triangle the middle size angle measures 8 degrees more than ...
- 7th Grade Math - What is the measure of an exterior angle of a regular polygon ...
- Math - The sum of the degree measures of the angles of a quadrilateral is 360. ...

More Related Questions