Answer:
29
Step-by-step explanation:
The apothem is the distance from the center to the midpoint of one of the sides of a regular polygon. You can make a right triangle with the apothem, the line from the midpoint to the corner and the line from the center to the corner. An equilateral triangle has 60 degree angles (180/3). The right triangle has half of one of those angles so 30 degrees. Now we have a 30-60-90 triangle where the short leg is 5cm. The long leg, which is also half of one side of the triangle is thus

. A whole side of the triangle is

. Multiply that by 3 to get the perimeter of <span>

.</span>
<h3>i would like to help BUT where is the question ????</h3><h2>ԅ(¯﹃¯ԅ)ԅ(¯﹃¯ԅ)</h2>
Answer:
Step-by-step explanation:
depends what K is.
But usually an algabraic letter with no value is equal to one
K=1
hoped that helped a little
Answer:
The volume of the rectangular prism is 20.