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Mathematics 13 Online
OpenStudy (anonymous):

Which statement about a kite and trapezoid is true? A trapezoid is different from a kite because it does not have any pair of parallel sides as in a kite. A trapezoid is different from a kite because it does not have diagonals that intersect at right angles as in a kite. A trapezoid is similar to a kite because both have one pair of parallel opposite sides. A trapezoid is similar to a kite because both have two pairs of opposite sides parallel.

OpenStudy (anonymous):

@sgta101 B?

OpenStudy (anonymous):

@jim_thompson5910 @campbell_st

terenzreignz (terenzreignz):

|dw:1364540613596:dw|

terenzreignz (terenzreignz):

Check the first one, does a trapezoid not have any pair of parallel sides?

OpenStudy (anonymous):

it does

terenzreignz (terenzreignz):

Then we can't have the first one, can we? Which one do you want to test next?

OpenStudy (anonymous):

B

terenzreignz (terenzreignz):

Check the diagonals of the kite. |dw:1364540846020:dw| Since my drawing is pretty rough, you'll just have to take to faith that those diagonals are perpendicular :)

terenzreignz (terenzreignz):

Now, could the diagonals of a trapezoid be perpendicular?

OpenStudy (anonymous):

YOUR DRAWING IS PERFECT IT IS NOT ROUGh u have seen my writing on this thig lol

OpenStudy (anonymous):

Yes

OpenStudy (anonymous):

no wait no

terenzreignz (terenzreignz):

Why thank you :) Let's put in many cases of Trapezoids, shall we? |dw:1364540997790:dw| Do any of these look like their diagonals could be perpendicular?

terenzreignz (terenzreignz):

|dw:1364541091619:dw|

OpenStudy (anonymous):

yes

terenzreignz (terenzreignz):

Really? Check again :D

OpenStudy (anonymous):

opps ok i was looking at the last one as a kite ok so it is NO

OpenStudy (anonymous):

but i said no first

terenzreignz (terenzreignz):

Yeah. So it's the second, since the diagonals of a trapezoid do not form right angles with each other :)

OpenStudy (anonymous):

thank you!!!Can i ask u a question?

terenzreignz (terenzreignz):

You just did. ^.^ Feel free to ask another, though :)

OpenStudy (anonymous):

Look at the sphere shown below. What does the segment BC represent? a great circle a chord a tangent a radius

terenzreignz (terenzreignz):

What Sphere?

OpenStudy (anonymous):

terenzreignz (terenzreignz):

A great circle is a circle on the sphere such that there is no circle with greater radius on the sphere. A chord is a line (segment) that passes through two points on the sphere. A tangent is a line that passes through only one point of the sphere. A radius is a line segment from the centre of the sphere to one of its points.

OpenStudy (anonymous):

A GREAT CIRCLE!

terenzreignz (terenzreignz):

Not even close. You see that circle, at the centre of the sphere? THAT's a great circle.

OpenStudy (anonymous):

:( BUT NONe of the other make sense is it tangent?

OpenStudy (anonymous):

no i am sure it has to be tangent

terenzreignz (terenzreignz):

How sure are you?

OpenStudy (anonymous):

100%

terenzreignz (terenzreignz):

Well then, go for it :P

OpenStudy (anonymous):

kk so wait i have a question/not math related

OpenStudy (anonymous):

so which language is ur profile pic?

terenzreignz (terenzreignz):

It's Chinese.

OpenStudy (anonymous):

so u are chines?

terenzreignz (terenzreignz):

Nope.

terenzreignz (terenzreignz):

Well, partly.

OpenStudy (anonymous):

korean?

terenzreignz (terenzreignz):

I'm Filipino.

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