3 years ago

I need to solve this for my math homework asap thanks

1 answer:

6 0

You know the angle sum of a square is 360 degrees.
So,
360=70+120+86+x
360=276+x
Then you solve for x by isolating it (minus 276 on both sides)
360-276=276-276+x
84=x

The last angle is 84 degrees.
Have a nice day:)

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