A rectangle has four angles inside it. Each of them is a right angle (measures 90 degrees).
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A rectangle is a quadrilateral (four sided shape) with four right angles. Therefore, the measure of every angle is 90 deg.
the correct answer is 90
90 degrees
90
4 right angles. A right angle is a 90 Degree measure like for example: L <---- 90 degree measure. And the rectangle has 4 angles like that so it means it has 4 right angles.