ELI5: Explain Like I'm 5

One-seventh area triangle

A one-seventh area triangle is a special type of triangle that is made up of one-seventh of the total area of another triangle. Think of a pizza - if you cut one slice out of the pizza, that one slice would be a one-seventh area slice. Similarly, if you cut a certain part of a triangle out, that part will be a one-seventh area triangle.

To understand this better, let's imagine we have a big triangle. We can cut out seven smaller triangles of equal size and shape from that big triangle. One of these smaller triangles will be a one-seventh area triangle. It will have the same shape as the big triangle but it will be much smaller.

To find out which part of the big triangle is the one-seventh area triangle, we need to use a special formula. This formula involves multiplying the base and the height of the big triangle and then dividing the answer by 14. This will tell us the total area of the big triangle divided by 7, which is the same as one-seventh of the big triangle. Then, we can use this answer to figure out the size and shape of the one-seventh area triangle that we want.

In summary, a one-seventh area triangle is a small triangle that is made up of one-seventh of the total area of a larger triangle. To find this small triangle, we need to use a special formula that helps us divide the big triangle into seven equal parts.