Answer:
The number of sides of the regular polygon is 72
In order to solve them, you have to listen in class and make sure that you takes notes to understand.
Answer: Option B and option D.
Step-by-step explanation:
We know that a quadrilateral is a 2-dimensional closed shape that has four sides.
By definition the diagonals of a quadrilateral are the lines that connect two non-adjacent vertices.
The following quadrilaterals have diagonals that are perpendicular to each other (also known as perpendicular bisector diagonals), which means that they form four angles of 90 degrees (right angles): <em>Rhombus and Square.</em>
Therefore the answers are: the option B and the option D.
Answer:
C. Many of the people selected to participate in the survey who do not respond might have opinions different from those who do respond.
Step-by-step explanation:
The survey is said to be biased by non-response survey if many people did not respond to the survey this might be much affected the result of survey.
The reason that people might be refuse to participate in the survey that survey may include any embarrassing information, illegal activities or personal details so many people did not respond to the survey. Also these peoples has different opinion from other peoples who respond in the survey. Thus this cause biased.