Two Angles are Supplementary when they add up to 180 degrees.

They don't have to be next to each other, just so long as the total is 180 degrees.

Examples:

• 60° and 120° are supplementary angles.

• 93° and 87° are supplementary angles.

Try dragging the points below:

They don't have to be next to each other, just so long as the total is 180 degrees.

Examples:

• 60° and 120° are supplementary angles.

• 93° and 87° are supplementary angles.

Try dragging the points below:

See: Complementary Angle

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