Luyện nghe bài hát Nonagon

Everybody at the is a many sided polygon
When a guest
They will count how many it has on

Standing by the window over
There is a shape with sides, so it's a square
And the one who has nine is looking
And its is Nonagon

Everybody turns just in time to see the arrive
up the sides, it is clear the pentagon has five
Chatting in the we see

There is a triangle whose sides three
And is talking to the shape has nine
Who is known as

Nonagon, lets in a guest who has shown up
Its name is Octagon and its add up to eight
Turning the on is a six sided hexagon
And all get in a line and do
A dance called, Nonagon

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