3 angles of a quadrilateral measure 25 degree and 40 degree and 90 degree wwhat is the measure of the 4th angel

A quadrilateral has 4 sides and 4 angle.

The sum of the 4 angles need to equal 360 degrees.

4th angle = 360 - 25-40-90

4th angle = 205 degrees.

sum= when you add is how much the whole amount is

distance= when you use angles and it means how far it goes

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