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Q: Prove that the bisectors of two adjacent supplementary angles include a right angle?
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Prove that the bisectors of 2 adjacent supplementary angles include a right angle?

∠DAB + ∠EBA = 180� ⇒ 2∠CAB + 2∠CBA = 180� (Using (1) and (2)) ⇒ ∠CAB + ∠CBA = 90� In ∆ABC, ∠CAB + ∠CBA + ∠ABC = 180� (Angle sum property) ⇒ 90� + ∠ABC = 180� ⇒ ∠ABC = 180� - 90� = 90� Thus, the bisectors of two adjacent supplementary angles include a right angle.


Are adjacent angles in a parallelogram are supplementary?

Adjacent angles in a parallelogram are supplementary.


Are the adjacent angles of a rhombus supplementary?

Yes, adjacent angles are supplementary; however, opposite angles are not.


What are adjacent supplementary angles?

The adjacent Supplementary angles are the sum of 2 angles that make 180 degrees.


Does a rhombus have opposite angles that are supplementary?

No. The adjacent angles are supplementary.


Which are the two adjacent angles which are supplementary form what?

Supplementary adjacent angles add up to 180 degrees


Are opposite angles in a parallelogram supplementary?

No, they are equal. Adjacent angles are supplementary in a prallelogram.


Can two combined right angles be adjacent and supplementary?

Yes, they can be adjacent as well as supplementary.


Can adjacent angles be supplementary complementary or neither?

adjacent angles can be complementary and supplementary you can see a video of khan


Two adjacent supplementary angles are called?

Two adjacent angles are considered supplementary angles. They aggregate and make an angle that measures 180 degrees.


Are supplementary angles are always adjacent?

No.


Can adjacent angles be supplementary?

Yes.