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BIG IDEAS MATH
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#19- i
USING TOOLS The sum of the angle measures of a quadrilateral is 360°. Write and solve an equation to find the value of x.
full
100
120
100
The equation is
= 360
X
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your patience while we update our system BIG IDEAS MATH aroslin001 19 i USING TOOLS The sum of the angle measures of a quadrilateral is 360 Write and solve an e class=

Respuesta :

Answer:

equation: 320+x=360, answer: 40

Step-by-step explanation:

add 100,200 and 100 to get 320

360-320=40

x=40