As the exterior angles always add up to 360, you can find the number of sides by dividing 360 by the measure of your exterior angle, 30. This gives you 360/30=12, meaning your polygon has 12 sides.
Answer:
you can put 40 of the 45 pound weights in the elevator with someone who weights 200 pounds
Step-by-step explanation:
Answer:
190
72
36
Step-by-step explanation:
If you do 2,029 divided by 2 you will get the answer: 514.5 which is rounded to 515
Well if the alloy makes the 1000 grams, but you are dealing with copper that isn't even 100% copper, than you either need 55% more copper, which isn't given, which means you really need 550 grams of alloy copper.