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By a straight angle I assume you mean an 180° angle, so two angles that form a 180° angle would be called supplementary angles.

Q: What are 2 angles that together form a straight angle?

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A straight angle is an angle.

two straight angles

An obtuse and an acute angle together are the two angles together that form a straight line. However, together they must add up to 180 degrees.

Supplementary angles

The angles of a semi-circle are on a straight line and angles on a straight line add up to 180 degrees.

Related questions

Two angles are called suplementary angles if they form a straight angle, that is to say 180 degrees.

Any two angles who's measures add up to 180 degrees form a straight angle.

A straight angle is an angle.

two straight angles

Supplementary angles forms a 180o angle (or a straight line). Complementary angles form a 90o angle.

An obtuse and an acute angle together are the two angles together that form a straight line. However, together they must add up to 180 degrees.

2 supplementary adjacent angles for a straight angle.

A straight angle is a line which has an angle of 180 degrees therefore two right angles (90 degrees) make a line.

What is a 'Straight Angle'???? Perpendicular lines meet at 90 degrees ( right- angles).

Supplementary angles

a supplementary angle is one of the two angles that form 180 degrees or a straight line.

The angles of a semi-circle are on a straight line and angles on a straight line add up to 180 degrees.