∠1 and ∠2 are complementary angles. If ∠1 is 50°, what could be the measure of ∠2?

∠3 and ∠4 are congruent. If ∠3 is 90°, find the measure of ∠4.

∠ABC and ∠CDE are supplementary angles. If ∠ABC is 120°, what could be the measure of ∠CDE?

Which of the following objects represents a point?

• a. tip of a ballpen    

• b. edge of a table    

•  

  c. strand of straight hair

•     d. tv screen

It is a polygon with all sides the same length and all angles the same measure. 

   

•  a. regular polygon

•   b. equilateral  

•  

   

  c. equiangular

   

     

•     d. polygon

It is a part of a line that has two endpoints.

If the first three angles of a quadrilateral measures 54°, 86°, and 70°, respectively. What is the measure of the fourth angle? 

A polygon is _______ if all of its sides are the same length.

If all angles of a polygon has the same measure then it is a _____. 

If all angles of a polygon has the same measure then it is a _____.