Question

An angle is equal to its supplement. Determine its measure.

Answer 1

Step-by-step explanation:

it's simple,

given x+x = 180

2x=180

x= 90

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Answer 2

Answer: 90 degree

Let x be two equal angles of its supplement.

Therefore, x+x=180  o

 [Supplementary angles]

⇒2x=180  0

 

⇒x=  

2  x 180  o

 

​  

=90  o

 

Thus, 90 o

 is equal to its supplement.

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