X^6= 3^12
(X^6) ^1/6. = (3^12)^1/6
X=9
Answer: HK
Step-by-step explanation:
Answer:
Option.B
Step-by-step explanation:
Its because if you add these two angles you get a supplementary angle or 180°
Using this we can form an equation to find the value of x.
(Hope this answer helps :))
(And is this question from Khan Academy?)
The <span>polyhedron has 12 faces
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