How to remove rounded corners from a rectangle?

Question

Figma

There is such a structure:

How to remove the rounding of corners from the selected element to zero?

Answer 1

At the top right, click on such a square and there will be corners, I have 10 rounding set.
There are 4 values ​​- top left, top right, bottom left and bottom right. That is, you can only round one corner. So that there is no rounding, then we put 0 everywhere or a little higher near the square, then the total will be 0