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vivado [14]
3 years ago
13

The sizes of the angles in degrees of the quadrilateral are

Mathematics
1 answer:
luda_lava [24]3 years ago
3 0

Answer:

5x+120

Step-by-step explanation:

first you add the 2x x and x and x that would get you 5x and then add the 20 and 10 and 80 that would get you 120

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