The floor of a gazebo is in the shape of a regular octagon. the perimeter of the floor is 72 feet. the distance from the center of the octagon to one of the vertices is 11.8 feet. what is the approximate length of the apothem? feet what is the approximate area of the floor of the gazebo? square feet

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.