25. Which of the following statements describes properties and characteristics of squares?
I.
Consecutive angles are supplementary.
II.
Diagonals are perpendicular bisectors and angle bisectors.
III.
It is the only regular quadrilateral.
IV.
Four right isosceles triangles form from the intersection of the diagonals.
A All of the above statements are true.
B II, III, and IV only
C I, III, IV only
D I, II, and III only
E I, II, and IV only
26. Which choice must be true about parallelograms?
A
The diagonals are congruent.
B
Two pairs of sides are parallel.
C
The diagonals are perpendicular bisectors.
D
The diagonals are angle bisectors.
E All quadrilaterals are parallelograms.
27. The figure below is rectangle ABCD with point E as the intersection of diagonals AC and DB.
28. Which of the following procedures can be used to find
?
m∠
AEB
∠ , multiply the
A Find the complement of
1
result by 2, and then subtract from 180.
∠ , divide by 2, and
B Find the supplement of
5
then subtract the result from 180.
∠ , and
∠ ,
∠ together. Then
C Add
3
1
4
subtract the result from 180.
∠ , and
∠ together. Then
∠ ,
D Add
2
3
5
subtract the result from 180.