please help me with what i did wrong alegra helpp=?

Tucktuck

New member
Oct 12, 2010
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Question 1 (Worth 10 points)

[10.01] In quadrilateral PLUS, one pair of opposite sides and one pair of opposite angles are _____ and _____.

US and UL, angle P and angle U

US and PS, angle L and angle U

LP and PS, angle P and angle S

LP and US, angle U and angle P

Points earned on this question: 0

Question 2 (Worth 10 points)

[10.01] In rectangle PLAN with diagonal PA, which pair of angles is a pair of alternate interior angles?

angle NPA and angle LAP

angle NPA and angle ALN

angle LPA and angle ANL

angle PLN and angle NAP

Points earned on this question: 0

Question 3 (Worth 10 points)

[10.02] In parallelogram PQRS, find the value of angle SPR if angle RQP is 75° and angle PRS is 39°.


66°

75°

76°

85°

Points earned on this question: 10

Question 4 (Worth 10 points)

[10.02] QRST is a rectangle with a width of 16 and a length of 30. One diagonal is 9x - y and the other diagonal is 10x - 3y. Find the values of x and y.

x = 2 and y = 2

x = 2 and y = -2

x = 4 and y = 2

x = 4 and y = -2

Points earned on this question: 10

Question 5 (Worth 10 points)

[10.02] A square with a side of 10 is increased to a side of 12. By how much is the diagonal increased?










Points earned on this question: 0

Question 6 (Worth 10 points)

[10.02] The sum of the lengths of the diagonals of a rhombus is 20, AE is x + 4, BE is 2x - 3. What is the length of BD?


3

4

6

8

Points earned on this question: 0

Question 7 (Worth 10 points)

[10.04] In an isosceles trapezoid, two angles are labeled as shown. What is the value of x?


-6

6

11

28

Points earned on this question: 0

Question 8 (Worth 10 points)

[10.04] Three congruent kites are placed together edge-to-edge as shown. The bottom edge is 4x and the top edge is x. How much bigger than the perimeter of a one kite is the perimeter of the entire figure?


2x

4x

6x

8x

Points earned on this question: 10

Question 9 (Worth 10 points)

[10.02] Rectangle ADEF and isosceles trapezoid FBCE both have a base of 4. The lower base angles of the trapezoid are 45° and the legs of the trapezoid are 2. How long is BC? Round your answer to the nearest tenth.


0.9

1.2

1.5

1.8

Points earned on this question: 0
 
Rectangle ADEF and isosceles trapezoid FBCE both have a base of 4. The lower base angles of the trapezoid are 45° and the legs of the trapezoid are 2. How long is BC?
 
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