Pretest

Question 1

Which statement proves that parallelogram KLMN is a rhombus?

Revolt · Accepted Answer

B: The slope of  line segment KM  is  1  and the slope of  line segment NL  is  negative 1 .

Question 2

What additional information would prove that LMNP is a rectangle?

Revolt · Accepted Answer

D: line segment LP perpendicular to line segment PN

Question 3

Triangle ABC is an isosceles triangle in which AB is equal to AC What is the perimeter of triangle ABC ?

Revolt · Accepted Answer

C: 10 plus square root of 10  units

Question 4

What additional information would prove that DEFG is an isosceles trapezoid?

Revolt · Accepted Answer

D: line segment DE is congruent to line segment GF

Question 5

HIJK is a parallelogram because the midpoint of both diagonals is __________, which means the diagonals bisect each other.

Revolt · Accepted Answer

C: open paren 1 comma 0 close paren

Question 6

In the diagram, AB is equal to 10 and AC is equal to 2 square root of 10 What is the perimeter of triangle ABC ?

Revolt · Accepted Answer

D: 20 plus 2 square root of 10  units

Question 7

The vertices of a quadrilateral in the coordinate plane are known. How can the perimeter of the figure be found?

Revolt · Accepted Answer

D: Use the distance formula to find the length of each side, and then add the lengths.

Question 8

Which statement proves that quadrilateral JKLM is a kite?

Revolt · Accepted Answer

C: LM is equal to JM is equal to 3  and  JK is equal to LK is equal to square root of 17 .

Question 9

Which statement proves that the diagonals of square PQRS are perpendicular bisectors of each other?

Revolt · Accepted Answer

B: The midpoint of both diagonals is  open paren 4 and 1 half comma 5 and 1 half close paren , the slope of  line segment RP  is  7 , and the slope of  line segment SQ  is  negative 1 seventh .

Question 10

What is the perimeter of triangle LMN ?

Revolt · Accepted Answer

C: 8 plus square root of 10  units

Pretest Answers

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