If the coordinates of polygon graphed in the first quadrant with one vertex on the origin are (0,0), (a,0), (a, a), (0,a), then what is the most precise name for the polygon.

Square

Step-by-step explanation:

It is given that the coordinates of polygon graphed in the first quadrant with one vertex on the origin are (0,0), (a,0), (a,a), (0,a).

Let A=(0,0),

B=9(a,0),

C=(a,a) and

D=(0,a)

Then, using the distance formula, we have

,

,

and

Since, all the sides of the given polygon are equal, therefore it is a square.

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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