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Q: 3 of the angels of a quadrilateral mesure 80 100 and 55 which mesure is the fourth angle?
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What is the fourth angle of a quadrilateral?

360 minus the sum of the other three.


Can you draw a quadrilateral with 3 right angels?

The sum of the interior angles of a quadrilateral is 360 degrees so if 3 of them are right angles (90 °) the remaining fourth angle must also be 90 °. 360° - 3x90° = 90°


In a quadrilateral, three of the angles are obtuse. Which of the following could not be the angle measure of the fourth angle60ยฐ90ยฐ40ยฐ20ยฐ?

In a quadrilateral, three of the angles are obtuse. Which of the following could not be the angle measure of the fourth angle? 60ยฐ 90ยฐ 40ยฐ 20ยฐ


If one angle is 65 and 2nd is 85 and 3rd 110 what is the fourth angle of a quadrilateral?

It is 100 degrees.


Is there a quadrilateral that have two 90 degree angle and one 65 degree angle?

Yes. The fourth angle is 115 degrees.


How do you determine the fourth angle of a quadrilateral if three angle are known?

Add up the three angles and subtract that from 360.


A quadrilateral has a 50 degree 70 degree and a 150 degree angle what is the measure of the fourth angle?

90 degrees


If three angles of a quadrilateral measure 90 100 and 120 what is the measure of the fourth angle?

50 degrees (360 degrees in a quadrilateral)


How do you find the missing angle of a quadrilateral with the angels of 120 120 and 60?

Subtract 300 from 360.


An irregular quadrilateral has exterior angle measures of 93 85 and 89 what is the measure of the fourth interior angle?

The fourth exterior angle is 93 degrees so the fourth interior angle must be 87 degrees because there are 180 degrees on a straight line.


How do you find the measure of a fourth angle on a quadrilateral?

Subtract the (sum of the other three angles) from 360.


The measure of a fourth angle of a quadrilateral?

It is 360 degrees minus the sum of the other three angles.

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