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All four angles of a rectangle must equal 90 degrees each.

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15y ago

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If a given parallelogram is a rectangle at least how many of its angles must measure 90?

one


How do you make sure that a given parallelogram is a rectangle at least how many of its angles must measure 90?

A rectangle has 4 interior angles each measuring 90 degrees


To make sure that a parallelogram is a rectangle atleast how many of its angles must measure 90 degrees?

one or 1


To make sure that a given parallelogram is a rectangle at least how many of its angles must measure 90?

You need only 1 90 degree angle.


How many obtuse angles in a parrallelogram?

Except for the special case of a rectangle, a parallelogram must have two obtuse angles.


Is a rhombus and a rectangle same?

No, a rectangle must have 4 90 degree angles


Why is a rectangle not a kite?

a kite has four sides, 2 of each in equal length. just like a rectangle, but a kite has two acute angles, and two obtuse angles.. a rectangle has 4 angles, 90 degrees in measure each. the inside angles must equal 360 degrees, so they can be any numbers, as long as they add up to 360.


How many angles of a rectangles must be 90 degrees to make surte its a parallelogram?

If it is a rectangle, then all its angles are 90 degrees and it is a parallelogram!


What is a parallelogram that must have 4 equal angles?

It is a rectangle


Why aren't parallelograms rectangle?

Adjacent sides of a parallelogram nee not meet at right angles. In a rectangle they must.


A parallelogram must have in order to beclassified as a rectangle?

4 right angles


What does a rectangle have to have to be a rectangle?

All four angles must be 90 degrees and the two parallel sides must have different dimension from the other two.