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Sometimes but not always depending on what type of polygon it is and supplementary angles add up to 180 degrees

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11y ago
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3y ago

True

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Q: Is true the supplementary angles are always adjacent?
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Continue Learning about Other Math

True or false If opposite angles of a quadrilateral are supplementary then the quadrilateral is a parallelogram?

True


Is it true that if a transversal intersects two parallel lines then corresponding angles are supplementary?

yes !


Is the following statement always true. sometimes true or never true Explain your reasoning. Two congruent angles that are complementary both measure 45?

It is always true because two congruent angles that are complementary both measure 45 degrees.


How could you contrust a rhombus circumscribed in a circle?

You cannot circumscribe a "true rhombus". The opposite angles of a circumscribed quadrilateral must be supplementary whereas the opposite angles of a rhombus must be equal. That means a circumscribed rhombus is really a square.


How do you find angles of a parallelogram?

To find the angles of a parallelogram, you have to know at least one angle (although it could be an interior or an exterior angle). There are several facts about all parallelograms:the sum of the interior angles is 360˚ (true for all quadrilaterals)opposite angles are congruent (angles that are diagonal in parallelograms have the same measure)consecutive angles are supplementary (angles that are connected by a single side add up to 180˚)If you know any of the interior angles, you can use a combination of the above rules to find the rest. If all you know is an exterior angle, then use the fact that an interior angle and its exterior angle are supplementary (because they are a linear pair--they make a line) to find the measure of the interior angle; then use the rules given above.

Related questions

Is it true or false supplementary angles are always linear pairs?

True only if the two angles are adjacent (i.e. have a point in common). By definition, supplementary angles add up to 180° therefore they are linear pairs, if they are adjacent. Otherwise false. Imagine drawing an angle of 40° at the top of the page and another of 140° at the bottom. These angles are supplementary but not a linear pair.


If a parallelogram has one right angle then all of its angles must be right?

Yes. This is true because opposite angles are congruent and adjacent angles are supplementary.


What is always true of the vertical angles formed by perpendicular lines?

They're supplementary


Which property is always true for a quadrilateral inscribed in a circle?

opposite angles are supplementary


Is this statement true or falseIf a quadrilateral is a parallelogram, then its opposite angles are always supplementary?

false


What is true about both a rhombus and a square?

-- Opposite sides are parallel. -- Opposite sides are equal. -- All four sides are equal. -- Adjacent sides are equal. -- Adjacent angles are supplementary. -- Opposite angles are equal. -- Diagonals are perpendicular. -- Interior angles sum to two straight angles. -- Exterior angles sum to two straight angles.


Is it true that only 3 angles can be supplementary?

No. Any angles which add up to 180 degrees are supplementary.


Supplementary angles add to 270 degrees true or false?

False. Supplementary angles add to 180degrees.


Which can never be true for supplementary angles?

They cant be what their not.


Is a square the conseutive angles are supplementary?

True


Is it always true If two lines intersect to form congruent adjacent angles then the lines are perpendicular?

yes


What are all of the situations in which the statement Two vertical angles are supplementary is true?

If the lines are perpindicular then each pair of vertical angles are supplementary