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615.75

Step-by-step explanation:

Area of circle: (3.14)(radius)^2

A = 3.14(14)^2

A = 615.75

615,44cm²

calculate area of the circle :

pi×r²

pi=3,14

3.14×14²

=3.14×196

=615,44cm²

1/4 because there is 4 grades.

18

step-by-step explanation:

draw the shape and you will see that f and k are actually at adjacent vertices (points of the hexagon that are neighboring).   so find the distance between (1,2) and (4,2).   that is easy since (1,2) and (4,2) is just a vertical distance to count, which is 3.   it is a regular polygon which means all sides are congruent.   you have 6 sides (hexa) so multiply 6 by 3 to receive 18.