One polygon has a side of length 3 feet. a similar polygon has a corresponding side of length 9 feet. the ratio of the perimeter of the smaller polygon to the larger

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.