madeline2445 madeline2445

22-10-2021
Mathematics

contestada

7) The sum of the angle measures of a
quadrilateral is 360°. Find the value of x.
24
2

7 The sum of the angle measures of a quadrilateral is 360 Find the value of x 24 2 class=

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JUDYWHITEE JUDYWHITEE

22-10-2021

Answer:

x=120°

Step-by-step explanation:

X+X+1/2X+1/2X=360

combine all like variables

X+X=2X

1/2X+1/2X=X

2X+X=3X

3X=360

isolate x by dividing both sides by 3

360÷3=120

X=120

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