Question

please explain me how to do this sum!!!!
please I want it fast ​

Answer 1

Answer:

As the figure is Supplementary angle so it's sum is 180 degrees.

Angle ABC - 90 degrees

Let's form a equation-

As the other half also forms 90 degrees

The equation will be like this

1n+1n+1n=90degrees

(Let's simply)

3n=90degrees

n=90/3

n=30

Hope it helped

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Answer 2

Answer:

As the figure is supplementary angle so it's is 180 degrees

Angle ABC = 90 degrees

Step-by-step explanation:

Let's form a equation

As the other half form is 90 degrees

The equation will be like this

1n+1n+1n=90 degrees

Simply

3n=90 degrees

n=90/3

n=30

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