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On his math test, Balavan wrote that a four-sided polygon that has at least two right angles must be a rectangle or a square. Denna wrote that a four-sided polygon needs at least three right angles to be a rectangle or a square. Who is right? Explain your answer.

Sagot :

Answer:

a quadrilateral with 2 right angles could be a trapezoid so balavan is wrong.   because if 3 angles are right angles the the  fourth angle might also be a right angle and has to be a square or rectangle so denna is right  

Step-by-step explanation:

0533819

Answer:

The sum of the angles in a quadrilateral is 360°, and a rectangle or square has four 90° angles.

A quadrilateral can be formed with two right angles and two angles that are other measures.

If three angles are 90°, the total is 270°, so the fourth angle is 90°.

Step-by-step explanation:

those are the 3 things you need

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