So, if the size of a room or a house is increased in two dimensions (length and width) , English would use 'to extend' ?
Just curious, because in Indonesian it's not the same.
memperpanjang = to make something longer = to extend.
memperlebar = to make something wider = to widen.
memperluas = to increase the area = to expand.
So, in Indonesian, 'memperpanjang' and 'memperlebar' can have the meaning of 'memperluas'.
By increasing one dimension (length or width) , you also increase the area (ceteris paribus).
In Indonesian you could also use 'memperbesar' (to make something bigger).
'memperbesar' could also imply a third dimension (height) .
Something like building an extra floor on top of your current house.
Would English also use 'to extend' in such a case ?