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Q: A parallelogram with all sides the same length and no angle measures 90 degrees?

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The law of any parallelogram says that the angle of one corner is the same as the angle opposite. So the other angles would also be 40 degrees and 140 degrees. Also note that this neatly adds up to a total of 360 degrees - all 4 sided shapes' angles must add up to 360 degrees, so you can work out the angles of a parallelogram just from knowing one angle.

If one angle is 10 degrees, its opposite angle is also 10 degrees. Since consecutive angles are supplementary, each pair of angles has to add up to 180 degrees so the other angles have to be 170 degrees. Therefore this parallelogram has two 10 degree angles and two 170 degree angles.

Its other 3 angles are 37 degrees, 143 degrees and 143 degrees

An angle that measures 210 degrees is a reflex angle.

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Well, it doesn't exactly have "an angle that measures 45 and 90 degrees". It has one angle that measures 45 degrees, and another angle that measures 90 degrees. That's an isosceles right triangle. The third angle is also 45 degrees, and the length of each leg is 70.7% of the length of the hypotenuse. .

The 4 interior of a parallelogram add up to 360 degrees

The other two angles are also 40 degrees and 140 degrees.

The law of any parallelogram says that the angle of one corner is the same as the angle opposite. So the other angles would also be 40 degrees and 140 degrees. Also note that this neatly adds up to a total of 360 degrees - all 4 sided shapes' angles must add up to 360 degrees, so you can work out the angles of a parallelogram just from knowing one angle.

They are: 85, 95 and 95 degrees

B 110 degrees C 70 degrees D 110 degrees

A right angle measures 90 degrees

If one angle is 10 degrees, its opposite angle is also 10 degrees. Since consecutive angles are supplementary, each pair of angles has to add up to 180 degrees so the other angles have to be 170 degrees. Therefore this parallelogram has two 10 degree angles and two 170 degree angles.

An angle that measures 210 degrees is a reflex angle.

Its other 3 angles are 37 degrees, 143 degrees and 143 degrees

If it's a parallelogram then the other 3 angles are 75, 105 and 105 degrees

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