3420°
explanation:
the equation of the sum of interior angles are (n-2)x180
polygon above has 21 sides so you sub n as 21 and plug the equation in the calculator
Answer:
no it doesnt
Step-by-step explanation:
Answer:
I think it might be $123.75
Answer:
x=9
Step-by-step explanation:
3x - 5 = -26
<u>step 1:</u>
subtract +5 on each side because you have to do the inverse operation
<u>step 2:</u>
3x= -21
<u>step 3:</u>
now divide 3 on each side
the answer is -7
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Hope this helped!
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<em>TheOneAndOnlyLara~</em>