answer:a = 600√3 cm²
diagonals divide a regular hexagon into six equilateral triangles (look at the picture).
the formula of an area of an equilateral triangle with side a:
substitute a = 20 cm:
the area of a regular hexagon is equal six times the area of a triangle:
i just did this question.
answer: 2.95% decrease
first, find the unit price of the original cereal and the new cereal. then use those values to find the percent change.