Posted by **MathPerson** on Tuesday, January 11, 2011 at 7:51pm.

Measure of two angles of a tringle are 28 and 58. Classify triangle by it's angle.

- Pre-Algebra -
**helper**, Tuesday, January 11, 2011 at 8:07pm
An acute triangle has all acute angles (less than 90 degrees)

An obtuse triangle has one obtuse angle, more than 90 deg. and less than 180 deg

28 + 58 = 86

180 - 86 = 94

therefore, this is an obtuse triangle

## Answer this Question

## Related Questions

- pre algebra - the measure of the angles of triangle RST are the ratio 2:3:5. ...
- ALGEBRA 1 - If x and 3x-10 represent the measure of the acute angles of a right ...
- geometry - find the value of x in each triangle: triangle x has 1 angle at 53 ...
- geometry - find the value of x in each triangle: triangle x has 1 angle at 53 ...
- math-algebra-angles - The degree measures of two angles of a triangle are ...
- algebra. - problems about angles: Hi. I needed help on some problems for the ...
- math - The measures of two angles of a triangle are 36 and 71. Find the measure ...
- Math Geometry - The angle bisector of one angle of a triangle forms two angles ...
- geometry - A triangle has two angles that have measures of 22.5 degrees and 101 ...
- Algebra - two angles are complimentary. The sum of the measure of the first ...