Pretest

Question 1

If ABCD is also a rhombus, what must be the value of x ?

Revolt · Accepted Answer

C: 13

Question 2

Which equation is true regarding the angles formed by the diagonals and sides of the rhombus?

Revolt · Accepted Answer

B: x plus y is equal to z

Question 3

Which statements are true of all squares? Choose three correct answers.

Revolt · Accepted Answer

B: The diagonals are congruent to each other.; C: The diagonals bisect the vertex angles.; D: The diagonals are perpendicular.

Question 4

A rectangle has a width of 9 units and a length of 40 units. What is the length of a diagonal?

Revolt · Accepted Answer

A: 41 units

Question 5

A square has a diagonal measuring 6⁢sqrt(2) inches. What is the perimeter of the square? Enter your answer in the box.

Revolt · Accepted Answer

24

Question 6

Is the figure a rectangle? Explain.

Revolt · Accepted Answer

B: No, it is not a rectangle because the sides of the parallelogram do not meet at right angles.

Question 7

The length of line segment cap l cap n is 28 centimeters. What is the length of line segment cap l cap p ?

Revolt · Accepted Answer

D: 14  cm

Question 8

Which measures are true for the quilt piece? Choose three correct answers.

Revolt · Accepted Answer

A: The length of the longer diagonal is approximately  7  inches.; B: The perimeter of the rhombus is  16  inches.; C: a is equal to 60 degrees

Question 9

What type of triangle is triangle cap s cap t cap r ?

Revolt · Accepted Answer

A: isosceles triangle

Question 10

Diagonals line segment cap A cap c and line segment cap b cap d form right angles at point cap m in parallelogram cap A cap b cap c cap d Prove cap A cap b cap c cap d is a rhombus. Which is the missing statement in step 6 ? Expand Image

Revolt · Accepted Answer

D: triangle cap A cap m cap b is congruent to triangle cap c cap m cap b comma triangle cap c cap m cap b is congruent to triangle cap c cap m cap d comma triangle cap c cap m cap d is congruent to triangle cap A cap m cap d

Pretest Answers

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