3 years ago

If the three angles of a quadrilateral are 120, 130, 10 then the fourth angle is

Mathematics

2 answers:

Bezzdna [24]3 years ago

7 0

100
Because the sum of all four angles of the quadrilateral is 360º, so u need 100 to get the 360

Aloiza [94]3 years ago

4 0

Answer:

100

Step-by-step explanation:

120 + 130 + 10 = 260

360 - 260 = 100

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3 years ago

The average of your first 6 tests is 82. If your test average after your seventh test is an 80.5, what did you score on the seve

mart [117]

So average is of the first 6 tests is 82 well that means

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so now let do some cross multiplliying

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7 0

3 years ago

You can anwser either one it dont matter to me just as long as you show the work

Jet001 [13]

I think it is 35 but I could be wrong

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4 years ago

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Goshia [24]

Answer is attached with image.