n-gon

What is the side length of the regular 5-gon inscribed in a circle of radius 12 cm?

Result

x =  14.11 cm

Solution: Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...): Be the first to comment! Next similar math problems:

1. n-gon II What is the side length of the regular 5-gon circumscribed circle of radius 11 cm?
2. 30-60-90 The longer leg of a 30°-60°-90° triangle measures 5. What is the length of the shorter leg?
3. Flowerbed Flowerbed has the shape of an isosceles obtuse triangle. Arm has a size 5.5 meters and an angle opposite to the base size is 94°. What is the distance from the base to opposite vertex?
4. Theorem prove We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
5. Hexagon 5 The distance of parallel sides of regular hexagonal is 61 cm. Calculate the length of the radius of the circle described to this hexagon.
6. Equilateral triangle How long should be the minimum radius of the circular plate to be cut equilateral triangle with side 19 cm from it?
7. Height 2 Calculate the height of the equilateral triangle with side 38.
8. Inscribed triangle To a circle is inscribed triangle so that the it's vertexes divide circle into 3 arcs. The length of the arcs are in the ratio 2:3:7. Determine the interior angles of a triangle.
9. Nine-gon Calculate the perimeter of a regular nonagon (9-gon) inscribed in a circle with a radius 13 cm.
10. Hexagon A Calculate area of regular hexagon inscribed in circle with radius r=9 cm.
11. SAS triangle The triangle has two sides long 7 and 19 and included angle 36°. Calculate area of this triangle.
12. Cable car 2 Cable car rises at an angle 41° and connects the upper and lower station with an altitude difference of 1175 m. How long is the track of cable car?
13. High wall I have a wall 2m high. I need a 15 degree angle (upward) to second wall 4 meters away. How high must the second wall?
14. Sines In ▵ ABC, if sin(α)=0.5 and sin(β)=0.6 calculate sin(γ)
15. Trigonometry Is true equality? ?
16. Reference angle Find the reference angle of each angle:
17. Center traverse It is true that the middle traverse bisects the triangle?