Giselle a pendant on her necklace that is the shape of a regular hexagon. On the pendant, there are lines for the center of each vertex that divided it into congruent triangles. Ach triangle has an area of 2 square centimeters

The area of the pendant is 12 square centimeters.

Step-by-step explanation:

The question is incomplete, so the complete question is below:

Giselle a pendant on her necklace that is the shape of a regular hexagon. On the pendant, there are lines for the center of each vertex that divided it into congruent triangles. Each triangle has an area of 2 square centimeters.

Now, to get the area of pendant.

In the hexagonal pendant there are congruent triangles that are divided from the lines of the center of each vertex.

Each triangle's area = 2 square centimeters.

As, we see in the figure below there are six congruent triangles in the hexagonal pendant.

Hence, the number of triangles = 6.

So, to get the area of pendant we multiply each triangle's area by the number of triangles:

Therefore, the area of the pendant is 12 square centimeters.

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step-by-step explanation:

solution:

the given function is ,

      =

the three roots of this quadratic function is , 0 ,8 and 10.all the roots are real and rational.

if a quadratic equation is of the form ,

sum of the roots = a + b +c= 0+8+10=18=  

product of roots taken two at a time = a b + b c+ c a = 0+80+0=80 =  

product of roots = a b c = 0=  

there are 11 doors in a hall starting from 0 to 11.the entry in the hall is permitted through gate number 0 and exit is allowed through only gate number 8 and 10.so, three roots(0,8,10) of quadratic function is given by entry and exit route of this hall.