Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

conjectures from chapter 5

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
quadrilater sum conjecture   The sum of the measures of the four angles of any quadrilateral is 360  
🗑
Pentagon Sum Conjecture   The sum of the measures of the five angles of any pentagon is 540°.  
🗑
Polygon Sum Conjecture   The sum of the measures of the n interior angles of an n-gon is (n−2)•180.  
🗑
Exterior Angle Sum Conjecture   For any polygon, the sum of the measures of a set of exterior angles is 360°.  
🗑
Equiangular Polygon Conjecture   You can find the measure of each interior angle of an equiangular n- gon by using either of these formulas: (n−2)•180 ° n or 180 -360 ° n  
🗑
Kite Angles Conjecture   The non-vertex angles of a kite are congruent  
🗑
Kite Diagonals Conjecture   The diagonals of a kite are perpendicular.  
🗑
Kite Diagonal Bisector Conjecture   The diagonal connecting the vertex angles of a kite is the perpendicular bisector of the other diagonal.  
🗑
Kite Angle Bisector Conjecture   The vertex angles of a kite are bisected by a diagonal.  
🗑
Trapezoid Consecutive Angles Conjecture   The consecutive angles between the bases of a trapezoid are supplementary.  
🗑
Isosceles Trapezoid Conjecture   The base angles of an isosceles trapezoid are congruent.  
🗑
Isosceles Trapezoid Diagonals Conjecture   The diagonals of an isosceles trapezoid are congruent  
🗑
Three Midsegments Conjecture   The three midsegments of a triangle divide it into four congruent triangles.  
🗑
Triangle Midsegment Conjecture   A midsegment of a triangle is parallel to the third side and half the length of the third side.  
🗑
Trapezoid Midsegment Conjecture   The midsegment of a trapezoid is parallel to the bases and is equal in length to the average of the lengths of the bases.  
🗑
Parallelogram Opposite Angles Conjecture   The opposite angles of a parallelogram are congruent  
🗑
Parallelogram Consecutive Angles Conjecture   The consecutive angles of a parallelogram are supplementary.  
🗑
Parallelogram Opposite Sides Conjecture   The opposite sides of a parallelogram are congruent.  
🗑
Parallelogram Diagonals Conjecture   The diagonals of a parallelogram bisect each other.  
🗑
Double-Edged Straightedge Conjecture   If two parallel lines are intersected by a second pair of parallel lines that are the same distance apart as the first pair, then the parallelogram formed is a rhombus.  
🗑
Rhombus Diagonals Conjecture   The diagonals of a rhombus are perpendicular and they bisect each other.  
🗑
Rhombus Angles Conjecture   The diagonals of a rhombus bisect the angles of the rhombus.  
🗑
Rectangle Diagonals Conjecture   The diagonals of a rectangle are congruent and bisect each other.  
🗑
Square Diagonals Conjecture   The diagonals of a square are congruent, perpendicular,and bisect each other.  
🗑


   

Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
 
To hide a column, click on the column name.
 
To hide the entire table, click on the "Hide All" button.
 
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
 
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.

 
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how
Created by: blulub
Popular Math sets