Respuesta :

if she cuts it then the angle would become a right angle so it sould be 90º

Answer:

The angle measure of the piece that's left over would be 36°.

Step-by-step explanation:

A rectangle has four right angles.  A right angle has a measure of 90°.

Taking 90° out of the 126° angle leaves us with

126-90 = 36°.

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