Q2 of 41 Page 230

The side of a regular hexagon is denoted by l. Express the perimeter of the hexagon using l.

It is given in the question that,


Side of regular hexagon = l


We know that,


Perimeter of regular hexagon = 6 × side


Therefore,


Perimeter of regular hexagon = 6 × l


= 6l


More from this chapter

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11

Figure gives a matchstick pattern of triangles. As in question 11 (a) above, find the general rule that gives the number of matchsticks in terms of the number of triangles.




 1

The side of an equilateral triangle is shown by l. Express the perimeter of the equilateral triangle using l.

 3

A cube is a three-dimensional figure as shown in the adjoining figure. It has six faces and all of them are identical squares. The length of an edge of the cube is given by l. Find the formula for the total length of the edges of a cube.

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The diameter of a circle is a line segments which joins two points on the circle and also passes through the centre of the circle. (In the adjoining figure AB is a diameter of the circle; C is its centre.) Express the diameter of the circle (d) in terms of its radius (r).