Q: 2 angles that have the sum of 90 degrees?

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Such angles are called complementary angles.

complementary

The interior angles of a quadrilateral (polygon with 4 sides and angles) sum to 360 degrees. We can find this in a couple of ways. First, noting the general formula for an n-gon: S = (n - 2)(180) where S is the sum of the interior angles in degrees and n is the number of sides of the n-gon. We find S = (4 - 2)(180) = 360 degrees. Second, the exterior angles must average 360/n degrees. In this case, 360/4 = 90 degrees. Interior angles are supplementary to exterior angles, so the average interior angle must equal 90 degrees. Finally, 4 interior angles with an average of 90 degrees means a sum of 360 degrees. Finally, consider some quadrilaterals (e.g. squares, rectangles, parallelograms, etc.). They each contain 360 degrees (e.g. four 90 degree angles).

The sum of interior angles of an n-sided polygon, regular or otherwise, is 2n - 4 right angles. Where n = 12 sum is ((2 x 12) - 4) x 90 = 1800 degrees.

The sum of the interior angles is (102-2)*180 = 18,000 degrees.The sum of the interior angles is (102-2)*180 = 18,000 degrees.The sum of the interior angles is (102-2)*180 = 18,000 degrees.The sum of the interior angles is (102-2)*180 = 18,000 degrees.

Related questions

Complimentary Angles

complementary angles

Such angles are called complementary angles.

Complementary Angles

No, it is not possible.The sum of all three angles of a triangle sum to 180 degrees. If there is a right angle (90 degrees), hen the other two must sum to 90 degrees. If 2 angles sum to 90 degrees then neither can be greater than 90 degrees.

complementary

Yes, the definition of complementary angles is that their sum is 90 degrees. All 90 degree angles are by definition right angles.

Complementary angles are 2 angles whose sum equals 90 degrees (a right angle).

an isocelesANS2:Any triangle that has one right angle will have 2 acute angles. An acute angle is less than 90 degrees and the sum of all angles in a triangle is 180 degrees. The sum of the other two angles would have to add to 90 degrees so they would both have to be less than 90 degrees.

In the context of angles, two angles whose sum is 90 degrees or pi/2 radians.

Ordinarily, yes: one is acute (less than 90 degrees) and one is obtuse (more than 90 degrees), such that their sum is 180 degrees. The exception is if both angles are right angles (2 x 90 degrees).

No, a triangle has to have a combined sum of the 3 angles at 180 degrees, a right angle is 90 degrees. It is impossible to have a 90,90,0 triangle