III. DIRECTION: Answer the following with a YES or a NO. Choose the correct answer.
11.) Do all triangles have three equal sides and three angles?
YES
NO
12.) Do all quadrilaterals have four sides and four angles?
YES
NO
13.) Can a quadrilateral be divided into two triangles?
YES
NO
14.) Is any three-sided polygon a triangle?
YES
NO
15.) Is any four-sided polygon a quadrilateral?
YES
NO