What are Congruent Angles - 7th Grade Math

Congruent Angles are the angles which are equal in measurement either you measure in degrees or radians.

The lines which create these angles can be any length.  Also they don’t have to point in same direction.

As long as the two angles are equal in measurement they are congruent Angles.

What are Congruent Angles - 7th Grade Math

What are Complementary Angles - 7th Grade Math

Let's say you have two angles, each one is 45 degree. If you add them up and the sum is 90 degree then those angles are Complementary angles.

Consider few more examples

70 degree and 20 degree
35 degree and 55 degree
10 degree and 80 degree

all above are Complementary angles as the sum of both is equal to 90 degree or right angle.

What are Complementary Angles - 7th Grade Math