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Mathematics 21 Online
OpenStudy (anonymous):

I need some help on a few questions! This is not a quiz But yes it is timed...Please help!

OpenStudy (anonymous):

What subject and what questions? Lay em on me

OpenStudy (anonymous):

The sections that it is in are Classifying Quadrilaterals Properties of Parallelograms Special Parallelograms Trapezoids and Kites Placing Figures in the Coordinate Plane

OpenStudy (anonymous):

So geometry. I got this

OpenStudy (anonymous):

Yeah geometry haha okay! I just gotta say that cause once I open the questions I gotta answer them... So just checking!

OpenStudy (anonymous):

Oh okay lol I'm ready for this :)

OpenStudy (anonymous):

Some will just need checked but other I wont know that well

OpenStudy (anonymous):

Alright, i'll stay on the page so I can see as you post.

OpenStudy (anonymous):

Okay! Let me pull up the first one

OpenStudy (anonymous):

1. Judging by appearance, classify the figure in as many ways as possible. a.rectangle, square, quadrilateral, parallelogram, and rhombus b.rectangle, square, and parallelogram c.rhombus, trapezoid, quadrilateral, and square d.square, rectangle, and quadrilateral Would it be A?

OpenStudy (anonymous):

Yes, a is correct.

OpenStudy (anonymous):

Okay! Next...

OpenStudy (anonymous):

Find the values of the variables and the lengths of the sides of this kite a.x = 6, y = 14; 1, 17 b.x = 14, y = 6; 9, 9 c.x = 14, y = 6; 1, 17 d.x = 6, y = 14; 9, 17

OpenStudy (blurbendy):

D!

OpenStudy (blurbendy):

:)

OpenStudy (anonymous):

Blurbendy is correct

OpenStudy (anonymous):

Thank you! Next...

OpenStudy (anonymous):

Which statement is true? a.All trapezoids are kites. b.All quadrilaterals are squares. c.All rectangles are quadrilaterals. d.All kites are rhombuses Not to sure but I would of guessed C

OpenStudy (anonymous):

C is right

OpenStudy (blurbendy):

C sounds good to me

OpenStudy (anonymous):

Okay cool! Next...

OpenStudy (anonymous):

LMNO is a parallelogram. If NM = x + 15 and OL = 3x + 5, find the value of x, then find NM and OL. a.x = 7, NM = 20, OL = 22 b.x = 5, NM = 20, OL = 20 c.x = 7, NM = 22, OL = 22 d.x = 5, NM = 22, OL = 20

OpenStudy (blurbendy):

B I believe

OpenStudy (anonymous):

B

OpenStudy (anonymous):

Cool! Okay next

OpenStudy (anonymous):

WXYZ is a parallelogram. Name an angle congruent to a. ZXY b. XWZ c. ZXW d. WXY D right?

OpenStudy (anonymous):

Congruent to what?

OpenStudy (anonymous):

WZX sorry that got cut off

OpenStudy (anonymous):

I mean WZY!

OpenStudy (anonymous):

Then B and D both work, right blurbendy?

OpenStudy (blurbendy):

right

OpenStudy (anonymous):

So what should I pick? B or D?

OpenStudy (blurbendy):

i'd go with D

OpenStudy (anonymous):

Okay!

OpenStudy (anonymous):

Yeah

OpenStudy (anonymous):

In the figure, lines MJ and AD are cut by the transversals MA, LB, KC, and JD. The transversals are parallel to each other and intersect line AD such that AB = BC = CD. Find JM, keeping in mind that the diagram is not drawn to scale. a.27 b.36 c.9 d.18

OpenStudy (anonymous):

27

OpenStudy (blurbendy):

yeah

OpenStudy (anonymous):

Use the information to find the length of WX in parallelogram WXYZ. The perimeter is 58 cm. YZ is 11 cm less than XY. a.20 cm b.10 cm c.9 cm d.18 cm

OpenStudy (anonymous):

One sec..

OpenStudy (anonymous):

no problem im trying to draw it out

OpenStudy (blurbendy):

I came up with 9

OpenStudy (anonymous):

9

OpenStudy (anonymous):

Okay

OpenStudy (anonymous):

I'll have to go in 5 min, but I'm sure blurbendy will be able to help after that

OpenStudy (anonymous):

|dw:1358474140382:dw|

OpenStudy (anonymous):

Those wierd little squiggle marks are suppose to be o

OpenStudy (anonymous):

weird

OpenStudy (anonymous):

Set the 2 equations equal to each other, z = 2 because each angle equals 90 degrees. Thats all I've got for now sorry

OpenStudy (anonymous):

Okay not problem!

OpenStudy (anonymous):

I can skip it for now

OpenStudy (anonymous):

The diagonals of a rectangle have lengths of 4 + 2x and 6x – 20. Find x and the length of each diagonal. a.x = 4; each diagonal has a length of 10 b.x = 6; each diagonal has a length of 16 c.x = 7; each diagonal has a length of 5 d.x = 10; each diagonal has a length of 3

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