In stair construction it is important that the riser and going are not too big and not too small. Which of the following is/ are correct?

Question

Answer

the proportion between the riser and going is the same in every legal stair

Answer

the going is the part you step on when walking up the stair

Answer

the riser is the overall height of the stair flight

Answer

the going is the overall length of the stair

Answer

the riser height is the vertical distance between the tread surfaces

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