Answer:
An arrangement of objects, pictures, or numbers in columns and rows is called an array. Arrays are useful representations of multiplication concepts. This array has 4 rows and 3 columns. It can also be described as a 4 by 3 array.
Step-by-step explanation:
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Answer:
Yes.
Step-by-step explanation:
This is an Equilateral Triangle. If all angles are congruent, then all sides are congruent as well.
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Answer:
14.137
Step-by-step explanation:
45/360x πx6x6=14.137
Answer:
r=15
Step-by-step explanation:
you would add 6 to the right side of the equation which would make it 3r = 45. Then you would divide 45 by 3, equaling 15. So that ends up with r = 15.