There are 12 boys 21/7=3 so 4(3)= 12
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The sum of all angles in a regular octagon is 1080 degrees. Because all sides are the same (regular octagon), all of the eight angles are the same too, so we simply divide 1080 by 8 and that is the solution.
1080/8 = 135
Answer:
1.5
Step-by-step explanation:
Answer: you will need approximately 23 grams
Step-by-step explanation: but thats approximately