Posted by lizzie on Tuesday, January 22, 2008 at 5:15pm.
The two angles must add to 90 degrees
so if one of them is 10
then the other one is 90 - 10
or 80
If one is 40
then the other is 90 - 40
or 50
Angles that add to a right angle are called complementary.
Related Questions
geometry - there is a problem on my paper in which there is a right angle ...
Math - Geometry - Two right triangles are touching at the tips. The left ...
Geometry - How do you find the angle of FAC when: D is in the interior of &...
geometry - Lines M and T are parallel with a Transversal line P. [Labeling for ...
Geometry - Find the measure of each angle if <BAD and <BDC are ...
math - < = Angle <R and <S are complementary angles, and &...
Geometry - Given: ABCD is a parallelogram; <1 is congruent to <2 ...
math - angles c and d are parallel and p is transversal. if m<5=110 ...
algebra - Solve the inequality. |2x+3|< 26 So there are two answers to ...
Geometry - I really need some help please!!!!! Am I on the right tract? Given: ...
For Further Reading