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- "Click on the graph to
draw an isosceles trapezoid
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"with vertices at negative two comma eight
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"and negative four comma negative one.
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"Another vertex at three comma eight
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"and a base nine units long
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"that is parallel to the x-axis."
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All right, let's see if we can do this.
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So we could just start
plotting these vertices.
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So negative two comma eight.
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X is negative two, y is eight.
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That's that point right over there.
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The next one is x is negative
four, y is negative one.
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x is negative four, y is negative one
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and that's nice.
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They connect the dots for us.
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Then they say three comma eight.
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So three comma eight.
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It's gonna be right up here.
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Now I think when I click it,
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it's going to try to draw a line
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between this point and this point
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which isn't what we want.
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This is a trapezoid,
an isosceles trapezoid.
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I actually want to
connect three comma eight
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to this point right over here
to negative two comma eight.
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So let me see what happens.
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Yep, yeah, that's not
what I wanted to happen.
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So let me actually delete this.
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Let me delete here.
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I'm actually gonna plot this one first.
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Then I'm going to plot this one,
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then I'm going to plot this
one and then I'm going to see
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where I need to put this other one.
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So let me delete all of these.
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We move these all to the trash.
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So move them all to the trash.
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And so let me start over.
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So I'm going to start,
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that looks like some type
of a bug but let's see.
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Let's hopefully it still works.
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Let's plot three comma eight first.
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Three comma eight.
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That's that point.
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Then we're going to plot
negative two comma eight.
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Negative two comma eight.
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This is the top of our
isosceles trapezoid.
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It's nice to give us the length
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that has, the length of this top is five.
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And then, now you can do
negative four comma negative one.
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Negative four comma negative one is
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this point right over here.
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All right, now this is
looking like a trapezoid.
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And now a base nine units long
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that is parallel to the x-axis.
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So base, it's nine units long
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and it's parallel to the x-axis.
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We just have to move to
the right, nine units.
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One, two, three, four,
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five, six, seven, eight, nine units.
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And then we just move back up.
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And it does look like
we have got ourselves
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an isosceles trapezoid.
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What is an isosceles trapezoid mean?
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It means that these two sides,
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the non top or non bottom
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or non base sides are going to be equal.
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And we see that this side
over here is equal to that
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and that this top is,
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you can kind of view, it's in the middle.
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That's one way to think about it.
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So I like this isosceles trapezoid.
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So let's check our answer.
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Make sure that we've drawn it right.
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Yeah, we did good.