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Q: What are 2 angles called if the sum of their measures is equal to 180?

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Supplementary angles!

If the sum of two angles is 180° then they are called supplementary angles.

No. Only the sum of the measures of the angles of a triangle equal to 180 degrees; in the case of a quadrilateral it amounts to 360 degrees.

the answer is the is right angle and cute angle

Yes, because supplementary angles equal 180 degrees.

These are supplementary angles

Supplementary angles are 2 angles whose measures = 180o.

A pair of supplementary angles.

They are called complementry angles

They are then complementary angles

The sum(addition) of the measures of the three angles of a triangle is 180 degrees.

In a triangle, the sum of the measures of the angles is 180 degrees.

Angles on a straight line add that up to 180 degrees are called supplementary angles

a straight line or supplementary angles...which equal to 180 degrees.

The sum of the angles should equal 180

Supplementary angles add up to 180 degrees

Two right angles (90 degrees each) equal 180 degrees (a straight angle).

Straight line, or 2 angles that add up to 180 degrees are called supplementary angles.

They are supplementary angles that add up to 180 degrees

SUPPLEMENTARY ANGLES are two angles the sum of whose measures is 180 degrees.

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supplementary

Angles that add up to 180 degrees are called supplementary angles.

They are supplementary angles

How can a circle measure 180 degrees? Circles don't have any angles!