yego.me
💡 Stop wasting time. Read Youtube instead of watch. Download Chrome Extension

Exploring scale copies


2m read
·Nov 11, 2024

We are told drag the sliders, and then they say which slider creates a scale copy of the shape, or which slider creates scale copies of the shape. So, let's just see, explore this a little bit.

Okay, that's pretty neat! These sliders seem to change the shape in some way and in different ways. So, shape B right over here, it starts off, it looks like the width is a little bit bigger than the height. I'm just trying to eyeball it; we don't know the exact numbers.

In order to create a scaled copy, you'd want to scale the width, you'd want to scale this bottom side and the top side and all of the sides. You would want to scale by the same factor. But as we move this slider, it seems like it's only scaling the width; it's not scaling the height.

So, this slider, shape B right over here, the slider for shape B is not creating scale copies of itself. It's only increasing the width, not the height. While shape A, it looks like it is increasing both the width and the height, so that would be a scaled copy.

For example, that looks like a scaled copy of this, which looks like a scaled copy of this, which looks like a scaled copy of that, which was our original shape. That is not a scaled copy of this.

Let's do another example. So, once again, they say drag the sliders, and they say which slider creates a scale copy of the shape.

Alright, let's get shape A. So, this does look like we're scaling down, but we're scaling both the width and the height by the same factor. So, shape, this shape A slider does look like it's creating scale copies of the shape B right over here.

Well, now we're only scaling; it looks like we're only scaling the height, but not the width. So, this is not creating scale copies of our original shape. It's elongating it; it's increasing its height but not the width.

More Articles

View All
Nietzsche EXPOSED the Truth About Women And No One Listened!
Sometimes people don’t want to hear the truth because they don’t want their illusions destroyed. Friedrich ner they told you love would save you. That it would be pure, redemptive, unconditional. That the right woman would heal the cracks you’ve never dar…
Don’t Be “Distracted by Their Darkness” | Marcus Aurelius on Success
Even though the Stoic teachings are geared towards tranquility, the end goal is living virtuously and in accordance with nature. So, there’s something as being ‘successful’ as a Stoic, which is living a life of virtue. But no matter what we pursue, the wo…
The Moment That Broke His Memory | The Long Road Home 360
[Music] I don’t think I’ve been just Carl since that day. PTSD to me is not a disorder; that is a reasonable reaction to something traumatic that you have been through. [Music] Looking back, we were also green; we had no idea what we were doing. SolarC…
Worked example: Using the reaction quotient to predict a pressure change | Khan Academy
A one liter reaction vessel contains 1.2 moles of carbon monoxide, 1.5 moles of hydrogen gas, and 2.0 moles of methanol gas. How will the total pressure change as the system approaches equilibrium at constant temperature? So, our carbon monoxide is react…
Homeroom with Sal & Marley Dias - Thursday, November 12
Hi everyone! Sal Khan here. Welcome to the Homeroom live stream. Before we jump into our very exciting conversation with our guest Marley Diaz, I’ll give my standard announcements. A reminder that we are a not-for-profit organization, so if you’re in a po…
Ryan Petersen on Building Flexport, a Modern Freight Forwarder
Ryan Peterson: Thanks for coming in for the podcast. Let’s start with a brief explanation of what Flexport is, because many people might not know what a freight forwarder is. Yes, well, Flexport is a freight forwarder first and foremost, and that means w…