Find the value of x in each quadrilateral.

Mathematics

1 answer:

elena-14-01-66 [18.8K]3 years ago

4 0

If i am correct, these values should add to 360, so I do it by

140 + 110 + 62 = 312

360 - 312 = 48

So the value of the last side must equal 48.

Your answer would be x = -9. Proof:

If 9 is filled in, you would have

(3 - 5(-9))

(3 - (-45))

Then

48 + 140 + 110 + 62 = 360!

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