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The sum of the angle measures of a quadrilateral is 360∘. Write and solve an equation to find the value of x. the three nubers are 100 100 120

The sum of the angle measures of a quadrilateral is 360∘. Write and solve an equation to find the value of x. the three nubers are 100 100 120
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The sum of the angle measures of a quadrilateral is 360∘. Write and solve an equation to find the value of x.

the three nubers are 100 100 120

asked
User Prisoner
by
8.1k points

1 Answer

0 votes

Answer:

x = 20

Explanation:

360 = 100 + 100 + 120 + x

360 = 340 + x

x = 360 - 340

x = 20

answered
User VATSHAL
by
7.3k points
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