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 four angle measures of any convex quadrilateral is 360 ...
- algebra - The sum of the angles of a triangle is 180 degrees. If one angle ...
- algebra. - problems about angles: Hi. I needed help on some problems for the ...
- math - Q. The sum of the measures of two supplementary angels is 180 degrees. If...
- Algebra 1a - I posted this early, I don't understand the answer, Two angles are ...
- geometry - The following are angles in a convex quadrilateral: Angle A = 75.3 ...
- Math - Two angles are complementary. The sum of the measure of the first angle ...
- math - I posted this early, I don't understand, Two angles are complementary. ...
- 7th Grade Math - What is the measure of an exterior angle of a regular polygon ...
- College Math - In a certain triangle the measure of one angle is triple the ...

More Related Questions