If a 4 sided figure has 360°...for each side we add, we add 180°.
you have a 7 sided figure (360° + 3(180°) = 900°)
adding up your angles (781) and subtract it from 900 =
x = 119°
If you havent learnt Sin, Cos yet, let me know, so we can try the other solutions.
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Step-by-step explanation:
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You have to do 4x4 and you will get 16in2 but out the 2 in the corner of inches that your area