Answer:
(8x + 1)° + ( 4x+11)° = 180° (linear pair )
8x +1 + 4x +11 = 180
8x + 4x + 1 + 11 = 180
12x + 12 = 180
12x = 180 - 12
12x = 168
x= 168/12
x = 14
It would be a cube or a square prism.
Answer:
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Step-by-step explanation:
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Will its 12.75 because you add 3+9 =12 and you just put the 75 that's it
