3 years ago

Here is a easy one for 10 points

Mathematics

2 answers:

kramer3 years ago

8 0

Answer:

x=30

Step-by-step explanation:

The sum of interior angles in a triangle will always equal 180 degrees. Knowing this, we can set the following equation:

2x+x+90=180

3x+90=180

Subtract both sides by 90

3x+90-90=180-90

3x=90

Divide both sides by 3

3x/3=90/3

x=30

I hope this helps!

vampirchik [111]3 years ago

3 0

Answer:

3x=90

x=30

Step-by-step explanation:

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